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Diffstat (limited to 'java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/DelegatingNamespaceContext.java')
-rw-r--r--java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/DelegatingNamespaceContext.java310
1 files changed, 0 insertions, 310 deletions
diff --git a/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/DelegatingNamespaceContext.java b/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/DelegatingNamespaceContext.java
deleted file mode 100644
index 8f136df7df..0000000000
--- a/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/stax/reader/DelegatingNamespaceContext.java
+++ /dev/null
@@ -1,310 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you 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.tuscany.sca.common.xml.stax.reader;
-
-import java.util.ArrayList;
-import java.util.EmptyStackException;
-import java.util.Iterator;
-import java.util.List;
-
-import javax.xml.namespace.NamespaceContext;
-
-public class DelegatingNamespaceContext implements NamespaceContext {
- private static int count;
-
- private class WrappingIterator implements Iterator {
-
- private Iterator containedIterator;
-
- public WrappingIterator(Iterator containedIterator) {
- this.containedIterator = containedIterator;
- }
-
- public Iterator getContainedIterator() {
- return containedIterator;
- }
-
- public boolean hasNext() {
- return containedIterator.hasNext();
- }
-
- public Object next() {
- return containedIterator.next();
- }
-
- /**
- * As per the contract on the API of Namespace context the returned iterator should be immutable
- */
- public void remove() {
- throw new UnsupportedOperationException();
- }
-
- public void setContainedIterator(Iterator containedIterator) {
- this.containedIterator = containedIterator;
- }
- }
-
- private NamespaceContext parentNsContext;
-
- private FastStack<String> prefixStack = new FastStack<String>();
-
- // Keep two ArrayLists for the prefixes and namespaces. They should be in
- // sync
- // since the index of the entry will be used to relate them
- // use the minimum initial capacity to let things handle memory better
-
- private FastStack<String> uriStack = new FastStack<String>();
-
- /**
- * Generates a unique namespace prefix that is not in the scope of the NamespaceContext
- *
- * @return string
- */
- public String generateUniquePrefix() {
- String prefix = "p" + count++;
- // null should be returned if the prefix is not bound!
- while (getNamespaceURI(prefix) != null) {
- prefix = "p" + count++;
- }
-
- return prefix;
- }
-
- public String getNamespaceURI(String prefix) {
- // do the corrections as per the Javadoc
- int index = prefixStack.search(prefix);
- if (index != -1) {
- return uriStack.get(index);
- }
- if (parentNsContext != null) {
- return parentNsContext.getPrefix(prefix);
- }
- return null;
- }
-
- public NamespaceContext getParentNsContext() {
- return parentNsContext;
- }
-
- public String getPrefix(String uri) {
- // do the corrections as per the Javadoc
- int index = uriStack.search(uri);
- if (index != -1) {
- return prefixStack.get(index);
- }
-
- if (parentNsContext != null) {
- return parentNsContext.getPrefix(uri);
- }
- return null;
- }
-
- public Iterator getPrefixes(String uri) {
- // create an ArrayList that contains the relevant prefixes
- String[] uris = uriStack.toArray(new String[uriStack.size()]);
- List<String> tempList = new ArrayList<String>();
- for (int i = uris.length - 1; i >= 0; i--) {
- if (uris[i].equals(uri)) {
- tempList.add(prefixStack.get(i));
- // we assume that array conversion preserves the order
- }
- }
- // by now all the relevant prefixes are collected
- // make a new iterator and provide a wrapper iterator to
- // obey the contract on the API
- return new WrappingIterator(tempList.iterator());
- }
-
- /**
- * Pop a namespace
- */
- public void popNamespace() {
- prefixStack.pop();
- uriStack.pop();
- }
-
- /**
- * Register a namespace in this context
- *
- * @param prefix
- * @param uri
- */
- public void pushNamespace(String prefix, String uri) {
- prefixStack.push(prefix);
- uriStack.push(uri);
-
- }
-
- public void setParentNsContext(NamespaceContext parentNsContext) {
- this.parentNsContext = parentNsContext;
- }
-
- /**
- * An implementation of the {@link java.util.Stack} API that is based on an <code>ArrayList</code> instead of a
- * <code>Vector</code>, so it is not synchronized to protect against multi-threaded access. The implementation is
- * therefore operates faster in environments where you do not need to worry about multiple thread contention.
- * <p>
- * The removal order of an <code>ArrayStack</code> is based on insertion order: The most recently added element is
- * removed first. The iteration order is <i>not</i> the same as the removal order. The iterator returns elements
- * from the bottom up, whereas the {@link #remove()} method removes them from the top down.
- * <p>
- * Unlike <code>Stack</code>, <code>ArrayStack</code> accepts null entries.
- */
- public static class FastStack<T> extends ArrayList<T> {
-
- /** Ensure Serialization compatibility */
- private static final long serialVersionUID = 2130079159931574599L;
-
- /**
- * Constructs a new empty <code>ArrayStack</code>. The initial size is controlled by <code>ArrayList</code>
- * and is currently 10.
- */
- public FastStack() {
- super();
- }
-
- /**
- * Constructs a new empty <code>ArrayStack</code> with an initial size.
- *
- * @param initialSize the initial size to use
- * @throws IllegalArgumentException if the specified initial size is negative
- */
- public FastStack(int initialSize) {
- super(initialSize);
- }
-
- /**
- * Return <code>true</code> if this stack is currently empty.
- * <p>
- * This method exists for compatibility with <code>java.util.Stack</code>. New users of this class should use
- * <code>isEmpty</code> instead.
- *
- * @return true if the stack is currently empty
- */
- public boolean empty() {
- return isEmpty();
- }
-
- /**
- * Returns the top item off of this stack without removing it.
- *
- * @return the top item on the stack
- * @throws EmptyStackException if the stack is empty
- */
- public T peek() throws EmptyStackException {
- int n = size();
- if (n <= 0) {
- throw new EmptyStackException();
- } else {
- return get(n - 1);
- }
- }
-
- /**
- * Returns the n'th item down (zero-relative) from the top of this stack without removing it.
- *
- * @param n the number of items down to go
- * @return the n'th item on the stack, zero relative
- * @throws EmptyStackException if there are not enough items on the stack to satisfy this request
- */
- public T peek(int n) throws EmptyStackException {
- int m = (size() - n) - 1;
- if (m < 0) {
- throw new EmptyStackException();
- } else {
- return get(m);
- }
- }
-
- /**
- * Pops the top item off of this stack and return it.
- *
- * @return the top item on the stack
- * @throws EmptyStackException if the stack is empty
- */
- public T pop() throws EmptyStackException {
- int n = size();
- if (n <= 0) {
- throw new EmptyStackException();
- } else {
- return remove(n - 1);
- }
- }
-
- /**
- * Pushes a new item onto the top of this stack. The pushed item is also returned. This is equivalent to calling
- * <code>add</code>.
- *
- * @param item the item to be added
- * @return the item just pushed
- */
- public Object push(T item) {
- add(item);
- return item;
- }
-
- /**
- * Returns the top-most index for the object in the stack
- *
- * @param object the object to be searched for
- * @return top-most index, or -1 if not found
- */
- public int search(T object) {
- int i = size() - 1; // Current index
- while (i >= 0) {
- T current = get(i);
- if ((object == null && current == null) || (object != null && object.equals(current))) {
- return i;
- }
- i--;
- }
- return -1;
- }
-
- /**
- * Returns the element on the top of the stack.
- *
- * @return the element on the top of the stack
- * @throws EmptyStackException if the stack is empty
- */
- public T get() {
- int size = size();
- if (size == 0) {
- throw new EmptyStackException();
- }
- return get(size - 1);
- }
-
- /**
- * Removes the element on the top of the stack.
- *
- * @return the removed element
- * @throws EmptyStackException if the stack is empty
- */
- public T remove() {
- int size = size();
- if (size == 0) {
- throw new EmptyStackException();
- }
- return remove(size - 1);
- }
-
- }
-
-}