svn commit: r375181 - /xerces/java/trunk/src/org/apache/xerces/util/JAXPNamespaceContextWrapper.java

[mr...@apache.org]

Author: mrglavas
Date: Sun Feb  5 21:21:01 2006
New Revision: 375181

URL: http://svn.apache.org/viewcvs?rev=375181&view=rev
Log:
A read-only XNI wrapper for a JAXP NamespaceContext.

Added:
    xerces/java/trunk/src/org/apache/xerces/util/JAXPNamespaceContextWrapper.java

Added: xerces/java/trunk/src/org/apache/xerces/util/JAXPNamespaceContextWrapper.java
URL: http://svn.apache.org/viewcvs/xerces/java/trunk/src/org/apache/xerces/util/JAXPNamespaceContextWrapper.java?rev=375181&view=auto
==============================================================================
--- xerces/java/trunk/src/org/apache/xerces/util/JAXPNamespaceContextWrapper.java (added)
+++ xerces/java/trunk/src/org/apache/xerces/util/JAXPNamespaceContextWrapper.java Sun Feb  5 21:21:01 2006
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2006 The Apache Software Foundation.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.xerces.util;
+
+import java.util.Enumeration;
+
+import javax.xml.XMLConstants;
+
+import org.apache.xerces.xni.NamespaceContext;
+
+/**
+ * <p>A read-only XNI wrapper around a JAXP NamespaceContext.</p>
+ * 
+ * @author Michael Glavassevich, IBM
+ * 
+ * @version $Id: $
+ */
+public class JAXPNamespaceContextWrapper implements NamespaceContext {
+    
+    private javax.xml.namespace.NamespaceContext fNamespaceContext;
+    private SymbolTable fSymbolTable;
+
+    public JAXPNamespaceContextWrapper(SymbolTable symbolTable) {
+        setSymbolTable(symbolTable);
+    }
+    
+    public void setNamespaceContext(javax.xml.namespace.NamespaceContext context) {
+        fNamespaceContext = context;
+    }
+    
+    public javax.xml.namespace.NamespaceContext getNamespaceContext() {
+        return fNamespaceContext;
+    }
+    
+    public void setSymbolTable(SymbolTable symbolTable) {
+        fSymbolTable = symbolTable;
+    }
+    
+    public SymbolTable getSymbolTable() {
+        return fSymbolTable;
+    }
+    
+    /*
+     * NamespaceContext methods
+     */
+    
+    public String getURI(String prefix) {
+        if (fNamespaceContext != null) {
+            String uri = fNamespaceContext.getNamespaceURI(prefix);
+            if (uri != null && !XMLConstants.NULL_NS_URI.equals(uri)) {
+                return (fSymbolTable != null) ? fSymbolTable.addSymbol(uri) : uri.intern();
+            }
+        }
+        return null;
+    }
+
+    public String getPrefix(String uri) {
+        if (fNamespaceContext != null) {
+            if (uri == null) {
+                uri = XMLConstants.NULL_NS_URI;
+            }
+            String prefix = fNamespaceContext.getPrefix(uri);
+            if (prefix == null) {
+                prefix = XMLConstants.DEFAULT_NS_PREFIX;
+            }
+            return (fSymbolTable != null) ? fSymbolTable.addSymbol(prefix) : prefix.intern();
+        }
+        return null;
+    }
+    
+    public Enumeration getAllPrefixes() {
+        // It's not possible to get the list of all prefixes from the NamespaceContext
+        // so the best we can do is return an empty enumeration.
+        return new Enumeration () {
+            public boolean hasMoreElements() {
+                return false;
+            }
+            public Object nextElement() {
+                return null;
+            }
+        };
+    }
+
+    public void pushContext() {}
+
+    public void popContext() {}
+
+    public boolean declarePrefix(String prefix, String uri) {
+        return true;
+    }
+
+    public int getDeclaredPrefixCount() {
+        return 0;
+    }
+
+    public String getDeclaredPrefixAt(int index) {
+        return null;
+    }
+
+    public void reset() {}
+
+} // JAXPNamespaceContextWrapper



---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@xerces.apache.org
For additional commands, e-mail: commits-help@xerces.apache.org