src/share/classes/com/sun/org/apache/xml/internal/security/c14n/implementations/NameSpaceSymbTable.java
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@@ -1,24 +1,26 @@
/*
* reserved comment block
* DO NOT REMOVE OR ALTER!
*/
-/*
- * Copyright 1999-2004 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
+/**
+ * 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.
- *
+ * 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 com.sun.org.apache.xml.internal.security.c14n.implementations;
import java.util.ArrayList;
import java.util.Collection;
@@ -27,119 +29,114 @@
import org.w3c.dom.Attr;
import org.w3c.dom.Node;
-
-
/**
- * A stack based Symble Table.
+ * A stack based Symbol Table.
*<br>For speed reasons all the symbols are introduced in the same map,
* and at the same time in a list so it can be removed when the frame is pop back.
* @author Raul Benito
- **/
+ */
public class NameSpaceSymbTable {
- /**The map betwen prefix-> entry table. */
- SymbMap symb;
- /**The level of nameSpaces (for Inclusive visibility).*/
- int nameSpaces=0;
- /**The stacks for removing the definitions when doing pop.*/
- List<SymbMap> level;
- boolean cloned=true;
- static final String XMLNS="xmlns";
- final static SymbMap initialMap=new SymbMap();
+ private static final String XMLNS = "xmlns";
+ private static final SymbMap initialMap = new SymbMap();
+
static {
- NameSpaceSymbEntry ne=new NameSpaceSymbEntry("",null,true,XMLNS);
- ne.lastrendered="";
- initialMap.put(XMLNS,ne);
+ NameSpaceSymbEntry ne = new NameSpaceSymbEntry("", null, true, XMLNS);
+ ne.lastrendered = "";
+ initialMap.put(XMLNS, ne);
}
+
+ /**The map betwen prefix-> entry table. */
+ private SymbMap symb;
+
+ /**The stacks for removing the definitions when doing pop.*/
+ private List<SymbMap> level;
+ private boolean cloned = true;
+
/**
* Default constractor
**/
public NameSpaceSymbTable() {
- level = new ArrayList<SymbMap>(10);
+ level = new ArrayList<SymbMap>();
//Insert the default binding for xmlns.
- symb=(SymbMap) initialMap.clone();
+ symb = (SymbMap) initialMap.clone();
}
/**
* Get all the unrendered nodes in the name space.
* For Inclusive rendering
* @param result the list where to fill the unrendered xmlns definitions.
**/
public void getUnrenderedNodes(Collection<Attr> result) {
- //List result=new ArrayList();
- Iterator<NameSpaceSymbEntry> it=symb.entrySet().iterator();
+ Iterator<NameSpaceSymbEntry> it = symb.entrySet().iterator();
while (it.hasNext()) {
- NameSpaceSymbEntry n= it.next();
+ NameSpaceSymbEntry n = it.next();
//put them rendered?
- if ((!n.rendered) && (n.n!=null)) {
- n=(NameSpaceSymbEntry) n.clone();
+ if ((!n.rendered) && (n.n != null)) {
+ n = (NameSpaceSymbEntry) n.clone();
needsClone();
- symb.put(n.prefix,n);
- n.lastrendered=n.uri;
- n.rendered=true;
+ symb.put(n.prefix, n);
+ n.lastrendered = n.uri;
+ n.rendered = true;
result.add(n.n);
-
}
}
}
/**
* Push a frame for visible namespace.
* For Inclusive rendering.
**/
public void outputNodePush() {
- nameSpaces++;
push();
}
/**
* Pop a frame for visible namespace.
**/
public void outputNodePop() {
- nameSpaces--;
pop();
}
/**
* Push a frame for a node.
* Inclusive or Exclusive.
**/
public void push() {
//Put the number of namespace definitions in the stack.
level.add(null);
- cloned=false;
+ cloned = false;
}
/**
* Pop a frame.
* Inclusive or Exclusive.
**/
public void pop() {
- int size=level.size()-1;
- Object ob= level.remove(size);
- if (ob!=null) {
- symb=(SymbMap)ob;
- if (size==0) {
- cloned=false;
- } else
- cloned=(level.get(size-1)!=symb);
+ int size = level.size() - 1;
+ Object ob = level.remove(size);
+ if (ob != null) {
+ symb = (SymbMap)ob;
+ if (size == 0) {
+ cloned = false;
} else {
- cloned=false;
+ cloned = (level.get(size - 1) != symb);
+ }
+ } else {
+ cloned = false;
}
-
-
}
final void needsClone() {
if (!cloned) {
- level.set(level.size()-1,symb);
- symb=(SymbMap) symb.clone();
- cloned=true;
+ level.set(level.size() - 1, symb);
+ symb = (SymbMap) symb.clone();
+ cloned = true;
}
}
/**
@@ -147,26 +144,25 @@
* @param prefix the prefix to obtain the attribute.
* @return null if there is no need to render the prefix. Otherwise the node of
* definition.
**/
public Attr getMapping(String prefix) {
- NameSpaceSymbEntry entry=symb.get(prefix);
- if (entry==null) {
+ NameSpaceSymbEntry entry = symb.get(prefix);
+ if (entry == null) {
//There is no definition for the prefix(a bug?).
return null;
}
if (entry.rendered) {
//No need to render an entry already rendered.
return null;
}
// Mark this entry as render.
- entry=(NameSpaceSymbEntry) entry.clone();
+ entry = (NameSpaceSymbEntry) entry.clone();
needsClone();
- symb.put(prefix,entry);
- entry.rendered=true;
- entry.level=nameSpaces;
- entry.lastrendered=entry.uri;
+ symb.put(prefix, entry);
+ entry.rendered = true;
+ entry.lastrendered = entry.uri;
// Return the node for outputing.
return entry.n;
}
/**
@@ -174,12 +170,12 @@
* For render in exclusive c14n the namespaces in the include prefixes.
* @param prefix The prefix whose definition is neaded.
* @return the attr to render, null if there is no need to render
**/
public Attr getMappingWithoutRendered(String prefix) {
- NameSpaceSymbEntry entry= symb.get(prefix);
- if (entry==null) {
+ NameSpaceSymbEntry entry = symb.get(prefix);
+ if (entry == null) {
return null;
}
if (entry.rendered) {
return null;
}
@@ -191,27 +187,27 @@
* @param prefix the prefix of definition
* @param uri the Uri of the definition
* @param n the attribute that have the definition
* @return true if there is already defined.
**/
- public boolean addMapping(String prefix, String uri,Attr n) {
+ public boolean addMapping(String prefix, String uri, Attr n) {
NameSpaceSymbEntry ob = symb.get(prefix);
- if ((ob!=null) && uri.equals(ob.uri)) {
+ if ((ob != null) && uri.equals(ob.uri)) {
//If we have it previously defined. Don't keep working.
return false;
}
//Creates and entry in the table for this new definition.
- NameSpaceSymbEntry ne=new NameSpaceSymbEntry(uri,n,false,prefix);
+ NameSpaceSymbEntry ne = new NameSpaceSymbEntry(uri, n, false, prefix);
needsClone();
symb.put(prefix, ne);
if (ob != null) {
//We have a previous definition store it for the pop.
//Check if a previous definition(not the inmidiatly one) has been rendered.
- ne.lastrendered=ob.lastrendered;
- if ((ob.lastrendered!=null)&& (ob.lastrendered.equals(uri))) {
+ ne.lastrendered = ob.lastrendered;
+ if ((ob.lastrendered != null) && (ob.lastrendered.equals(uri))) {
//Yes it is. Mark as rendered.
- ne.rendered=true;
+ ne.rendered = true;
}
}
return true;
}
@@ -221,130 +217,131 @@
* @param prefix the prefix of definition
* @param uri the Uri of the definition
* @param n the attribute that have the definition
* @return the attr to render, null if there is no need to render
**/
- public Node addMappingAndRender(String prefix, String uri,Attr n) {
+ public Node addMappingAndRender(String prefix, String uri, Attr n) {
NameSpaceSymbEntry ob = symb.get(prefix);
- if ((ob!=null) && uri.equals(ob.uri)) {
+ if ((ob != null) && uri.equals(ob.uri)) {
if (!ob.rendered) {
- ob=(NameSpaceSymbEntry) ob.clone();
+ ob = (NameSpaceSymbEntry) ob.clone();
needsClone();
- symb.put(prefix,ob);
- ob.lastrendered=uri;
- ob.rendered=true;
+ symb.put(prefix, ob);
+ ob.lastrendered = uri;
+ ob.rendered = true;
return ob.n;
}
return null;
}
- NameSpaceSymbEntry ne=new NameSpaceSymbEntry(uri,n,true,prefix);
- ne.lastrendered=uri;
+ NameSpaceSymbEntry ne = new NameSpaceSymbEntry(uri,n,true,prefix);
+ ne.lastrendered = uri;
needsClone();
symb.put(prefix, ne);
- if (ob != null) {
-
- if ((ob.lastrendered!=null)&& (ob.lastrendered.equals(uri))) {
- ne.rendered=true;
+ if ((ob != null) && (ob.lastrendered != null) && (ob.lastrendered.equals(uri))) {
+ ne.rendered = true;
return null;
}
- }
return ne.n;
}
public int getLevel() {
- // TODO Auto-generated method stub
return level.size();
}
public void removeMapping(String prefix) {
NameSpaceSymbEntry ob = symb.get(prefix);
- if (ob!=null) {
+ if (ob != null) {
needsClone();
- symb.put(prefix,null);
+ symb.put(prefix, null);
}
}
public void removeMappingIfNotRender(String prefix) {
NameSpaceSymbEntry ob = symb.get(prefix);
- if (ob!=null && !ob.rendered) {
+ if (ob != null && !ob.rendered) {
needsClone();
- symb.put(prefix,null);
+ symb.put(prefix, null);
}
}
public boolean removeMappingIfRender(String prefix) {
NameSpaceSymbEntry ob = symb.get(prefix);
- if (ob!=null && ob.rendered) {
+ if (ob != null && ob.rendered) {
needsClone();
- symb.put(prefix,null);
+ symb.put(prefix, null);
}
return false;
}
}
/**
* The internal structure of NameSpaceSymbTable.
**/
class NameSpaceSymbEntry implements Cloneable {
- NameSpaceSymbEntry(String name,Attr n,boolean rendered,String prefix) {
- this.uri=name;
- this.rendered=rendered;
- this.n=n;
- this.prefix=prefix;
+
+ String prefix;
+
+ /**The URI that the prefix defines */
+ String uri;
+
+ /**The last output in the URI for this prefix (This for speed reason).*/
+ String lastrendered = null;
+
+ /**This prefix-URI has been already render or not.*/
+ boolean rendered = false;
+
+ /**The attribute to include.*/
+ Attr n;
+
+ NameSpaceSymbEntry(String name, Attr n, boolean rendered, String prefix) {
+ this.uri = name;
+ this.rendered = rendered;
+ this.n = n;
+ this.prefix = prefix;
}
+
/** @inheritDoc */
public Object clone() {
try {
return super.clone();
} catch (CloneNotSupportedException e) {
return null;
}
}
- /** The level where the definition was rendered(Only for inclusive) */
- int level=0;
- String prefix;
- /**The URI that the prefix defines */
- String uri;
- /**The last output in the URI for this prefix (This for speed reason).*/
- String lastrendered=null;
- /**This prefix-URI has been already render or not.*/
- boolean rendered=false;
- /**The attribute to include.*/
- Attr n;
};
class SymbMap implements Cloneable {
- int free=23;
+ int free = 23;
NameSpaceSymbEntry[] entries;
String[] keys;
+
SymbMap() {
- entries=new NameSpaceSymbEntry[free];
- keys=new String[free];
+ entries = new NameSpaceSymbEntry[free];
+ keys = new String[free];
}
+
void put(String key, NameSpaceSymbEntry value) {
int index = index(key);
Object oldKey = keys[index];
keys[index] = key;
entries[index] = value;
- if (oldKey==null || !oldKey.equals(key)) {
- if (--free == 0) {
- free=entries.length;
- int newCapacity = free<<2;
+ if ((oldKey == null || !oldKey.equals(key)) && (--free == 0)) {
+ free = entries.length;
+ int newCapacity = free << 2;
rehash(newCapacity);
}
}
- }
List<NameSpaceSymbEntry> entrySet() {
- List<NameSpaceSymbEntry> a=new ArrayList<NameSpaceSymbEntry>();
- for (int i=0;i<entries.length;i++) {
- if ((entries[i]!=null) && !("".equals(entries[i].uri))) {
+ List<NameSpaceSymbEntry> a = new ArrayList<NameSpaceSymbEntry>();
+ for (int i = 0;i < entries.length;i++) {
+ if ((entries[i] != null) && !("".equals(entries[i].uri))) {
a.add(entries[i]);
}
}
return a;
}
@@ -354,16 +351,16 @@
int length = set.length;
//abs of index
int index = (obj.hashCode() & 0x7fffffff) % length;
Object cur = set[index];
- if (cur == null || (cur.equals( obj))) {
+ if (cur == null || (cur.equals(obj))) {
return index;
}
- length=length-1;
+ length--;
do {
- index=index==length? 0:++index;
+ index = index == length ? 0 : ++index;
cur = set[index];
} while (cur != null && (!cur.equals(obj)));
return index;
}
@@ -379,11 +376,11 @@
keys = new String[newCapacity];
entries = new NameSpaceSymbEntry[newCapacity];
for (int i = oldCapacity; i-- > 0;) {
- if(oldKeys[i] != null) {
+ if (oldKeys[i] != null) {
String o = oldKeys[i];
int index = index(o);
keys[index] = o;
entries[index] = oldVals[i];
}
@@ -394,19 +391,18 @@
return entries[index(key)];
}
protected Object clone() {
try {
- SymbMap copy=(SymbMap) super.clone();
- copy.entries=new NameSpaceSymbEntry[entries.length];
- System.arraycopy(entries,0,copy.entries,0,entries.length);
- copy.keys=new String[keys.length];
- System.arraycopy(keys,0,copy.keys,0,keys.length);
+ SymbMap copy = (SymbMap) super.clone();
+ copy.entries = new NameSpaceSymbEntry[entries.length];
+ System.arraycopy(entries, 0, copy.entries, 0, entries.length);
+ copy.keys = new String[keys.length];
+ System.arraycopy(keys, 0, copy.keys, 0, keys.length);
return copy;
} catch (CloneNotSupportedException e) {
- // TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
}