DataInputStream.java: Reformatted, Replaced < and & with html entitites in documentation.
2003-05-20 Michael Koch <konqueror@gmx.de> * java/io/DataInputStream.java: Reformatted, Replaced < and & with html entitites in documentation. * java/io/File.java: Reformatted. * java/io/PrintWriter.java: Moved class documentation. From-SVN: r66992
This commit is contained in:
parent
c2a40660aa
commit
c93aa80414
4 changed files with 166 additions and 146 deletions
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@ -51,7 +51,7 @@ package java.io;
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* @see DataInput
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*
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* @author Warren Levy <warrenl@cygnus.com>
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* @author Aaron M. Renn (arenn@urbanophile.com)
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* @author Aaron M. Renn <arenn@urbanophile.com>
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* @date October 20, 1998.
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*/
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public class DataInputStream extends FilterInputStream implements DataInput
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@ -62,7 +62,7 @@ public class DataInputStream extends FilterInputStream implements DataInput
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boolean ignoreInitialNewline = false;
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// Byte buffer, used to make primitive read calls more efficient.
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byte[] buf = new byte[8];
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byte[] buf = new byte [8];
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/**
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* This constructor initializes a new <code>DataInputStream</code>
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@ -70,9 +70,9 @@ public class DataInputStream extends FilterInputStream implements DataInput
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*
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* @param in The subordinate <code>InputStream</code> to read from
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*/
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public DataInputStream(InputStream in)
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public DataInputStream (InputStream in)
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{
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super(in);
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super (in);
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}
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/**
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@ -88,9 +88,9 @@ public class DataInputStream extends FilterInputStream implements DataInput
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*
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* @exception IOException If an error occurs.
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*/
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public final int read(byte[] b) throws IOException
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public final int read (byte[] b) throws IOException
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{
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return in.read(b, 0, b.length);
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return in.read (b, 0, b.length);
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}
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/**
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@ -109,9 +109,9 @@ public class DataInputStream extends FilterInputStream implements DataInput
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*
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* @exception IOException If an error occurs.
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*/
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public final int read(byte[] b, int off, int len) throws IOException
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public final int read (byte[] b, int off, int len) throws IOException
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{
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return in.read(b, off, len);
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return in.read (b, off, len);
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}
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/**
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@ -132,9 +132,9 @@ public class DataInputStream extends FilterInputStream implements DataInput
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*
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* @see DataOutput#writeBoolean
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*/
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public final boolean readBoolean() throws IOException
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public final boolean readBoolean () throws IOException
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{
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return convertToBoolean(in.read());
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return convertToBoolean (in.read ());
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}
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/**
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@ -152,9 +152,9 @@ public class DataInputStream extends FilterInputStream implements DataInput
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*
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* @see DataOutput#writeByte
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*/
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public final byte readByte() throws IOException
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public final byte readByte () throws IOException
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{
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return convertToByte(in.read());
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return convertToByte (in.read ());
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}
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/**
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@ -169,7 +169,7 @@ public class DataInputStream extends FilterInputStream implements DataInput
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* respectively, they will be transformed to a <code>char</code> in
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* the following manner:
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* <p>
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* <code>(char)(((byte1 & 0xFF) << 8) | (byte2 & 0xFF)</code>
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* <code>(char)(((byte1 & 0xFF) << 8) | (byte2 & 0xFF)</code>
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* <p>
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* This method can read a <code>char</code> written by an object
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* implementing the <code>writeChar()</code> method in the
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@ -182,10 +182,10 @@ public class DataInputStream extends FilterInputStream implements DataInput
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*
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* @see DataOutput#writeChar
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*/
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public final char readChar() throws IOException
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public final char readChar () throws IOException
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{
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readFully (buf, 0, 2);
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return convertToChar(buf);
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return convertToChar (buf);
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}
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/**
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@ -209,9 +209,9 @@ public class DataInputStream extends FilterInputStream implements DataInput
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* @see DataOutput#writeDouble
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* @see java.lang.Double#longBitsToDouble
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*/
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public final double readDouble() throws IOException
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public final double readDouble () throws IOException
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{
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return Double.longBitsToDouble(readLong());
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return Double.longBitsToDouble (readLong ());
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}
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/**
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@ -234,9 +234,9 @@ public class DataInputStream extends FilterInputStream implements DataInput
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* @see DataOutput#writeFloat
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* @see java.lang.Float#intBitsToFloat
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*/
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public final float readFloat() throws IOException
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public final float readFloat () throws IOException
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{
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return Float.intBitsToFloat(readInt());
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return Float.intBitsToFloat (readInt ());
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}
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/**
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@ -253,9 +253,9 @@ public class DataInputStream extends FilterInputStream implements DataInput
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* buffer
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* @exception IOException If any other error occurs
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*/
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public final void readFully(byte[] b) throws IOException
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public final void readFully (byte[] b) throws IOException
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{
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readFully(b, 0, b.length);
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readFully (b, 0, b.length);
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}
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/**
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@ -277,14 +277,14 @@ public class DataInputStream extends FilterInputStream implements DataInput
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* buffer
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* @exception IOException If any other error occurs
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*/
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public final void readFully(byte[] b, int off, int len) throws IOException
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public final void readFully (byte[] b, int off, int len) throws IOException
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{
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while (len > 0)
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{
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// in.read will block until some data is available.
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int numread = in.read(b, off, len);
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int numread = in.read (b, off, len);
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if (numread < 0)
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throw new EOFException();
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throw new EOFException ();
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len -= numread;
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off += numread;
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}
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@ -301,8 +301,8 @@ public class DataInputStream extends FilterInputStream implements DataInput
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* the first four bytes read from the stream, they will be
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* transformed to an <code>int</code> in the following manner:
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* <p>
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* <code>(int)(((byte1 & 0xFF) << 24) + ((byte2 & 0xFF) << 16) +
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* ((byte3 & 0xFF)<< 8) + (byte4 & 0xFF)))</code>
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* <code>(int)(((byte1 & 0xFF) << 24) + ((byte2 & 0xFF) << 16) +
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* ((byte3 & 0xFF)<< 8) + (byte4 & 0xFF)))</code>
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* <p>
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* The value returned is in the range of -2147483648 to 2147483647.
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* <p>
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@ -317,10 +317,10 @@ public class DataInputStream extends FilterInputStream implements DataInput
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*
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* @see DataOutput#writeInt
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*/
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public final int readInt() throws IOException
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public final int readInt () throws IOException
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{
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readFully (buf, 0, 4);
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return convertToInt(buf);
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return convertToInt (buf);
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}
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/**
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@ -349,9 +349,9 @@ public class DataInputStream extends FilterInputStream implements DataInput
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*
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* @deprecated
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*/
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public final String readLine() throws IOException
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public final String readLine () throws IOException
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{
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StringBuffer strb = new StringBuffer();
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StringBuffer strb = new StringBuffer ();
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readloop: while (true)
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{
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@ -363,7 +363,7 @@ public class DataInputStream extends FilterInputStream implements DataInput
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getnext = false;
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c = in.read();
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if (c < 0) // got an EOF
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return strb.length() > 0 ? strb.toString() : null;
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return strb.length () > 0 ? strb.toString () : null;
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ch = (char) c;
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if ((ch &= 0xFF) == '\n')
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// hack to correctly handle '\r\n' sequences
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@ -447,10 +447,10 @@ public class DataInputStream extends FilterInputStream implements DataInput
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* the first eight bytes read from the stream, they will be
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* transformed to an <code>long</code> in the following manner:
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* <p>
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* <code>(long)(((byte1 & 0xFF) << 56) + ((byte2 & 0xFF) << 48) +
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* ((byte3 & 0xFF) << 40) + ((byte4 & 0xFF) << 32) +
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* ((byte5 & 0xFF) << 24) + ((byte6 & 0xFF) << 16) +
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* ((byte7 & 0xFF) << 8) + (byte8 & 0xFF)))
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* <code>(long)(((byte1 & 0xFF) << 56) + ((byte2 & 0xFF) << 48) +
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* ((byte3 & 0xFF) << 40) + ((byte4 & 0xFF) << 32) +
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* ((byte5 & 0xFF) << 24) + ((byte6 & 0xFF) << 16) +
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* ((byte7 & 0xFF) << 8) + (byte8 & 0xFF)))
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* </code>
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* <p>
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* The value returned is in the range of -9223372036854775808 to
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@ -467,10 +467,10 @@ public class DataInputStream extends FilterInputStream implements DataInput
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*
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* @see DataOutput#writeLong
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*/
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public final long readLong() throws IOException
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public final long readLong () throws IOException
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{
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readFully (buf, 0, 8);
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return convertToLong(buf);
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return convertToLong (buf);
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}
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/**
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* respectively, they will be transformed to a <code>short</code>. in
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* the following manner:
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* <p>
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* <code>(short)(((byte1 & 0xFF) << 8) | (byte2 & 0xFF))</code>
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* <code>(short)(((byte1 & 0xFF) << 8) | (byte2 & 0xFF))</code>
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* <p>
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* The value returned is in the range of -32768 to 32767.
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* <p>
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*
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* @see DataOutput#writeShort
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*/
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public final short readShort() throws IOException
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public final short readShort () throws IOException
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{
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readFully (buf, 0, 2);
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return convertToShort(buf);
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return convertToShort (buf);
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}
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/**
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*
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* @see DataOutput#writeByte
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*/
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public final int readUnsignedByte() throws IOException
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public final int readUnsignedByte () throws IOException
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{
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return convertToUnsignedByte(in.read());
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return convertToUnsignedByte (in.read ());
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}
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/**
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@ -539,7 +539,7 @@ public class DataInputStream extends FilterInputStream implements DataInput
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* respectively, they will be transformed to an <code>int</code> in
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* the following manner:
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* <p>
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* <code>(int)(((byte1 & 0xFF) << 8) + (byte2 & 0xFF))</code>
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* <code>(int)(((byte1 & 0xFF) << 8) + (byte2 & 0xFF))</code>
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* <p>
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* The value returned is in the range of 0 to 65535.
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* <p>
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*
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* @see DataOutput#writeShort
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*/
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public final int readUnsignedShort() throws IOException
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public final int readUnsignedShort () throws IOException
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{
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readFully (buf, 0, 2);
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return convertToUnsignedShort(buf);
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return convertToUnsignedShort (buf);
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}
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/**
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*
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* @see DataOutput#writeUTF
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*/
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public final String readUTF() throws IOException
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public final String readUTF () throws IOException
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{
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return readUTF(this);
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return readUTF (this);
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}
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/**
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*
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* @see DataInput#readUTF
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*/
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public final static String readUTF(DataInput in) throws IOException
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public final static String readUTF (DataInput in) throws IOException
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{
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final int UTFlen = in.readUnsignedShort();
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byte[] buf = new byte[UTFlen];
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final int UTFlen = in.readUnsignedShort ();
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byte[] buf = new byte [UTFlen];
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// This blocks until the entire string is available rather than
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// doing partial processing on the bytes that are available and then
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// blocking. An advantage of the latter is that Exceptions
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// could be thrown earlier. The former is a bit cleaner.
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in.readFully(buf, 0, UTFlen);
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in.readFully (buf, 0, UTFlen);
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return convertFromUTF(buf);
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return convertFromUTF (buf);
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}
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/**
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* EOFException. Neither of these appear to be true in the JDK 1.3's
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* implementation. This tries to implement the actual JDK behaviour.
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*/
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public final int skipBytes(int n) throws IOException
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public final int skipBytes (int n) throws IOException
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{
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if (n <= 0)
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return 0;
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try
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{
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return (int) in.skip(n);
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return (int) in.skip (n);
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}
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catch (EOFException x)
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{
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@ -693,94 +693,104 @@ public class DataInputStream extends FilterInputStream implements DataInput
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return n;
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}
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static boolean convertToBoolean(int b) throws EOFException
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static boolean convertToBoolean (int b) throws EOFException
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{
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if (b < 0)
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throw new EOFException();
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throw new EOFException ();
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return (b != 0);
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}
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static byte convertToByte(int i) throws EOFException
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static byte convertToByte (int i) throws EOFException
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{
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if (i < 0)
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throw new EOFException();
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throw new EOFException ();
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return (byte) i;
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}
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static int convertToUnsignedByte(int i) throws EOFException
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static int convertToUnsignedByte (int i) throws EOFException
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{
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if (i < 0)
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throw new EOFException();
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throw new EOFException ();
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return (i & 0xFF);
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}
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static char convertToChar(byte[] buf)
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static char convertToChar (byte[] buf)
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{
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return (char) ((buf[0] << 8) | (buf[1] & 0xff));
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return (char) ((buf [0] << 8)
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| (buf [1] & 0xff));
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}
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static short convertToShort(byte[] buf)
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static short convertToShort (byte[] buf)
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{
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return (short) ((buf[0] << 8) | (buf[1] & 0xff));
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return (short) ((buf [0] << 8)
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| (buf [1] & 0xff));
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}
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static int convertToUnsignedShort(byte[] buf)
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static int convertToUnsignedShort (byte[] buf)
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{
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return (((buf[0] & 0xff) << 8) | (buf[1] & 0xff));
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return (((buf [0] & 0xff) << 8)
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| (buf [1] & 0xff));
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}
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static int convertToInt(byte[] buf)
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static int convertToInt (byte[] buf)
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{
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return (((buf[0] & 0xff) << 24) | ((buf[1] & 0xff) << 16) |
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((buf[2] & 0xff) << 8) | (buf[3] & 0xff));
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return (((buf [0] & 0xff) << 24)
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| ((buf [1] & 0xff) << 16)
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| ((buf [2] & 0xff) << 8)
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| (buf [3] & 0xff));
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}
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static long convertToLong(byte[] buf)
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static long convertToLong (byte[] buf)
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{
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return (((long)(buf[0] & 0xff) << 56) |
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((long)(buf[1] & 0xff) << 48) |
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((long)(buf[2] & 0xff) << 40) |
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((long)(buf[3] & 0xff) << 32) |
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((long)(buf[4] & 0xff) << 24) |
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((long)(buf[5] & 0xff) << 16) |
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((long)(buf[6] & 0xff) << 8) |
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((long)(buf[7] & 0xff)));
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return (((long)(buf [0] & 0xff) << 56) |
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((long)(buf [1] & 0xff) << 48) |
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((long)(buf [2] & 0xff) << 40) |
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((long)(buf [3] & 0xff) << 32) |
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((long)(buf [4] & 0xff) << 24) |
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((long)(buf [5] & 0xff) << 16) |
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((long)(buf [6] & 0xff) << 8) |
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((long)(buf [7] & 0xff)));
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}
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static String convertFromUTF(byte[] buf)
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static String convertFromUTF (byte[] buf)
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throws EOFException, UTFDataFormatException
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{
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// Give StringBuffer an initial estimated size to avoid
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// enlarge buffer frequently
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StringBuffer strbuf = new StringBuffer(buf.length/2 + 2);
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StringBuffer strbuf = new StringBuffer (buf.length / 2 + 2);
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for (int i = 0; i < buf.length; )
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{
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if ((buf[i] & 0x80) == 0) // bit pattern 0xxxxxxx
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strbuf.append((char) (buf[i++] & 0xFF));
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else if ((buf[i] & 0xE0) == 0xC0) // bit pattern 110xxxxx
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if ((buf [i] & 0x80) == 0) // bit pattern 0xxxxxxx
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strbuf.append ((char) (buf [i++] & 0xFF));
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else if ((buf [i] & 0xE0) == 0xC0) // bit pattern 110xxxxx
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{
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if (i + 1 >= buf.length || (buf[i+1] & 0xC0) != 0x80)
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throw new UTFDataFormatException();
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if (i + 1 >= buf.length
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|| (buf [i + 1] & 0xC0) != 0x80)
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throw new UTFDataFormatException ();
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strbuf.append((char) (((buf[i++] & 0x1F) << 6) |
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(buf[i++] & 0x3F)));
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strbuf.append((char) (((buf [i++] & 0x1F) << 6)
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| (buf [i++] & 0x3F)));
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}
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else if ((buf[i] & 0xF0) == 0xE0) // bit pattern 1110xxxx
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else if ((buf [i] & 0xF0) == 0xE0) // bit pattern 1110xxxx
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{
|
||||
if (i + 2 >= buf.length ||
|
||||
(buf[i+1] & 0xC0) != 0x80 || (buf[i+2] & 0xC0) != 0x80)
|
||||
throw new UTFDataFormatException();
|
||||
if (i + 2 >= buf.length
|
||||
|| (buf [i + 1] & 0xC0) != 0x80
|
||||
|| (buf [i + 2] & 0xC0) != 0x80)
|
||||
throw new UTFDataFormatException ();
|
||||
|
||||
strbuf.append((char) (((buf[i++] & 0x0F) << 12) |
|
||||
((buf[i++] & 0x3F) << 6) |
|
||||
(buf[i++] & 0x3F)));
|
||||
strbuf.append ((char) (((buf [i++] & 0x0F) << 12)
|
||||
| ((buf [i++] & 0x3F) << 6)
|
||||
| (buf [i++] & 0x3F)));
|
||||
}
|
||||
else // must be ((buf[i] & 0xF0) == 0xF0 || (buf[i] & 0xC0) == 0x80)
|
||||
throw new UTFDataFormatException(); // bit patterns 1111xxxx or
|
||||
else // must be ((buf [i] & 0xF0) == 0xF0 || (buf [i] & 0xC0) == 0x80)
|
||||
throw new UTFDataFormatException (); // bit patterns 1111xxxx or
|
||||
// 10xxxxxx
|
||||
}
|
||||
|
||||
return strbuf.toString();
|
||||
return strbuf.toString ();
|
||||
}
|
||||
}
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue