Imported GNU Classpath 0.20

Imported GNU Classpath 0.20
       * Makefile.am (AM_CPPFLAGS): Add classpath/include.
       * java/nio/charset/spi/CharsetProvider.java: New override file.
       * java/security/Security.java: Likewise.
       * sources.am: Regenerated.
       * Makefile.in: Likewise.

From-SVN: r109831

libjava/classpath/gnu/java/beans/encoder/StAXWriter.java

@@ -0,0 +1,233 @@
+/* StAXWriter.java
+ Copyright (C) 2005 Free Software Foundation, Inc.
+
+ This file is part of GNU Classpath.
+
+ GNU Classpath is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ GNU Classpath is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GNU Classpath; see the file COPYING.  If not, write to the
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301 USA.
+
+ Linking this library statically or dynamically with other modules is
+ making a combined work based on this library.  Thus, the terms and
+ conditions of the GNU General Public License cover the whole
+ combination.
+
+ As a special exception, the copyright holders of this library give you
+ permission to link this library with independent modules to produce an
+ executable, regardless of the license terms of these independent
+ modules, and to copy and distribute the resulting executable under
+ terms of your choice, provided that you also meet, for each linked
+ independent module, the terms and conditions of the license of that
+ module.  An independent module is a module which is not derived from
+ or based on this library.  If you modify this library, you may extend
+ this exception to your version of the library, but you are not
+ obligated to do so.  If you do not wish to do so, delete this
+ exception statement from your version. */
+
+
+package gnu.java.beans.encoder;
+
+import java.io.OutputStream;
+
+import javax.xml.stream.XMLOutputFactory;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamWriter;
+
+/** A {@link Writer} implementation based on the StAX API.
+ * 
+ * @author Robert Schuster (robertschuster@fsfe.org)
+ *
+ */
+public class StAXWriter implements Writer
+{
+  XMLStreamWriter writer;
+
+  int indent = 0;
+  
+  public StAXWriter(OutputStream os)
+  {
+    try
+      {
+        XMLOutputFactory factory = XMLOutputFactory.newInstance();
+        writer = factory.createXMLStreamWriter(os);
+      }
+    catch (XMLStreamException se)
+      {
+        throw (InternalError)
+          new InternalError(
+          "Could not instantiate a streaming XML writer.")
+          .initCause(se);
+      }
+
+  }
+  
+  public void flush()
+  {
+    if (writer != null)
+      {
+        try
+          {
+            writer.flush();
+          }
+        catch (XMLStreamException xse)
+          {
+            // TODO: find out
+          }
+      }
+
+  }
+
+  public void close()
+  {
+    if (writer != null)
+      {
+        try
+          {
+            writer.close();
+          }
+        catch (XMLStreamException xse)
+          {
+            // TODO: find out
+          }
+        writer = null;
+      }
+
+  }
+
+  public void writePreamble()
+  {
+    try
+      {
+        writer.writeStartDocument("UTF-8", "1.0");
+      }
+    catch (XMLStreamException xmlse)
+      {
+
+      }
+  }
+
+  public void writeEnd(boolean wasEmpty)
+  {
+    try
+      {
+        indent -= 2;
+
+        if (wasEmpty)
+          return;
+
+        for (int i = 0; i < indent; i++)
+          writer.writeCharacters(" ");
+
+        writer.writeEndElement();
+
+        writer.writeCharacters("\n");
+      }
+    catch (XMLStreamException xmlse)
+      {
+
+      }
+  }
+  
+  public void writeEndNoChildren()
+  {
+    try
+      {
+        writer.writeEndElement();
+        writer.writeCharacters("\n");
+      }
+    catch (XMLStreamException xmlse)
+      {
+
+      }
+  }
+
+  public void write(String tagName, boolean empty)
+  {
+    write(tagName, null, null, null, empty);
+  }
+
+  public void write(String tagName, String value)
+  {
+    write(tagName, value, null, null, value == null);
+  }
+
+  public void writeNoChildren(String tagName, String value)
+  {
+    try
+      {
+        for (int i = 0; i < indent; i++)
+          writer.writeCharacters(" ");
+
+        writer.writeStartElement(tagName);
+
+        writer.writeCharacters(value);
+      }
+    catch (XMLStreamException xmlse)
+      {
+
+      }
+  }
+
+  public void write(String tagName, String attributeName,
+                    String attributeValue, boolean empty)
+  {
+    write(tagName, null, new String[] { attributeName },
+          new String[] { attributeValue }, empty);
+  }
+
+  public void write(String tagName, String value, String[] attributeNames,
+                    String[] attributeValues, boolean empty)
+  {
+    try
+      {
+        for (int i = 0; i < indent; i++)
+
+          writer.writeCharacters(" ");
+
+        if (empty)
+          writer.writeEmptyElement(tagName);
+        else
+          writer.writeStartElement(tagName);
+
+        if (attributeNames != null)
+          for (int i = 0; i < attributeNames.length; i++)
+            writer.writeAttribute(attributeNames[i], attributeValues[i]);
+
+        writer.writeCharacters("\n");
+
+        indent += 2;
+
+        if (value != null)
+          {
+            for (int i = 0; i < indent; i++)
+              writer.writeCharacters(" ");
+
+            writer.writeCharacters(value);
+
+            writer.writeCharacters("\n");
+          }
+      }
+    catch (XMLStreamException xmlse)
+      {
+
+      }
+  }
+
+  public void write(String tagName, String[] attributeNames,
+                    String[] attributeValues, boolean empty)
+  {
+    write(tagName, null, attributeNames, attributeValues, empty);
+  }
+
+}