Attributes.java, [...]: Imported from Classpath.

Sat Aug 19 11:00:53 2000  Anthony Green  <green@redhat.com>

	* java/util/jar/Attributes.java, java/util/jar/JarEntry.java,
	java/util/jar/JarException.java, java/util/jar/JarFile.java,
	java/util/jar/JarInputStream.java,
	java/util/jar/JarOutputStream.java, java/util/jar/Manifest.java,
	java/util/Set.java, java/util/Map.java, java/util/Bucket.java,
	java/util/AbstractSet.java, java/util/BasicMapEntry.java,
	java/security/cert/CRL.java, java/security/cert/CRLException.java,
	java/security/cert/Certificate.java,
	java/security/cert/CertificateEncodingException.java,
	java/security/cert/CertificateException.java,
	java/security/cert/CertificateExpiredException.java,
	java/security/cert/CertificateFactory.java,
	java/security/cert/CertificateFactorySpi.java,
	java/security/cert/CertificateNotYetValidException.java,
	java/security/cert/CertificateParsingException.java,
	java/security/cert/X509CRL.java,
	java/security/cert/X509CRLEntry.java,
	java/security/cert/X509Certificate.java,
	java/security/cert/X509Extension.java: Imported from Classpath.
	* java/util/Hashtable.java: Imported from Classpath.

	* java/util/zip/ZipInputStream.java: Create stub for
	createZipEntry.

	* gcj/javaprims.h: Updated class list.

	* Makefile.in, gcj/Makefile.in: Rebuilt.
	* Makefile.am (ordinary_java_source_files): Add these new classes.

From-SVN: r35809

libjava/java/util/BasicMapEntry.java

@@ -0,0 +1,135 @@
+/* BasicMapEntry.java -- a class providing a plain-vanilla implementation of
+   the Map.Entry interface; could be used anywhere in java.util
+   Copyright (C) 1998 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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.util;
+
+/**
+ * a class which implements Map.Entry
+ *
+ * @author      Jon Zeppieri
+ * @version     $Revision: 1.3 $
+ * @modified    $Id: BasicMapEntry.java,v 1.3 2000/03/15 21:59:07 rao Exp $
+ */
+class BasicMapEntry implements Map.Entry
+{
+    /** the key */
+    Object key;
+    /** the value */
+    Object value;
+    
+    /**
+     * construct a new BasicMapEntry with the given key and value
+     *
+     * @param     newKey       the key of this Entry
+     * @param     newValue     the value of this Entry
+     */
+    BasicMapEntry(Object newKey, Object newValue)
+    {
+	key = newKey;
+	value = newValue;
+    }
+    
+    /**
+     * returns true if <pre>o</pre> is a Map.Entry and 
+     * <pre> 
+     * (((o.getKey == null) ? (key == null) : 
+     * o.getKey().equals(key)) && 
+     * ((o.getValue() == null) ? (value == null) : 
+     * o.getValue().equals(value)))
+     * </pre>
+     *
+     * NOTE: the calls to getKey() and getValue() in this implementation
+     * are <i>NOT</i> superfluous and should not be removed.  They insure 
+     * that subclasses such as HashMapEntry work correctly
+     *
+     * @param      o        the Object being tested for equality
+     */
+    public boolean equals(Object o)
+    {
+	Map.Entry tester;
+	Object oTestingKey, oTestingValue;
+	Object oKey, oValue;
+	if (o instanceof Map.Entry)
+	    {
+		tester = (Map.Entry) o;
+		oKey = getKey();
+		oValue = getValue();
+		oTestingKey = tester.getKey();
+		oTestingValue = tester.getValue();
+		return (((oTestingKey == null) ? (oKey == null) : 
+			 oTestingKey.equals(oKey)) && 
+			((oTestingValue == null) ? (oValue == null) : 
+			 oTestingValue.equals(oValue)));
+	    }
+	    return false;
+    }
+
+    /** returns the key */
+    public Object getKey()
+	{
+	    return key;
+	}
+    
+    /** returns the value */
+    public Object getValue()
+    {
+	return value;
+    }
+    
+    /** the hashCode() for a Map.Entry is 
+     * <pre> 
+     * ((getKey() == null) ? 0 : getKey().hashCode()) ^ 
+     * ((getValue() == null) ? 0 : getValue().hashCode());
+     * </pre>
+     *
+     * NOTE: the calls to getKey() and getValue() in this implementation
+     * are <i>NOT</i> superfluous and should not be removed.  They insure 
+     * that subclasses such as HashMapEntry work correctly
+     */
+    public int hashCode()
+    {
+	Object oKey = getKey();
+	Object oValue = getValue();
+	return ((oKey == null) ? 0 : oKey.hashCode()) ^ 
+	    ((oValue == null) ? 0 : oValue.hashCode());
+    }
+    
+    /** 
+     * sets the value of this Map.Entry 
+     *
+     * @param     newValue         the new value of this Map.Entry
+     */
+    public Object setValue(Object newValue)
+	throws java.lang.UnsupportedOperationException, ClassCastException, 
+	       IllegalArgumentException, NullPointerException
+    {
+	Object oVal = value;
+	value = newValue;
+	return oVal;
+    }
+}