/*
* 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.ivy.util.extendable;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
public class UnmodifiableExtendableItem implements ExtendableItem {
private final Map attributes = new HashMap();
private final Map unmodifiableAttributesView = Collections.unmodifiableMap(attributes);
private final Map extraAttributes = new HashMap();
private final Map unmodifiableExtraAttributesView = Collections
.unmodifiableMap(extraAttributes);
/*
* this is the only place where extra attributes are stored in qualified form. In all other maps
* they are stored unqualified.
*/
private final Map qualifiedExtraAttributes = new HashMap();
private final Map unmodifiableQualifiedExtraAttributesView = Collections
.unmodifiableMap(qualifiedExtraAttributes);
public UnmodifiableExtendableItem(Map stdAttributes, Map extraAttributes) {
if (stdAttributes != null) {
this.attributes.putAll(stdAttributes);
}
if (extraAttributes != null) {
for (Iterator iter = extraAttributes.entrySet().iterator(); iter.hasNext();) {
Entry extraAtt = (Entry) iter.next();
setExtraAttribute((String) extraAtt.getKey(), (String) extraAtt.getValue());
}
}
}
public String getAttribute(String attName) {
return (String) attributes.get(attName);
}
public String getExtraAttribute(String attName) {
String v = (String) qualifiedExtraAttributes.get(attName);
if (v == null) {
v = (String) extraAttributes.get(attName);
}
return v;
}
protected void setExtraAttribute(String attName, String attValue) {
qualifiedExtraAttributes.put(attName, attValue);
// unqualify att name if required
int index = attName.indexOf(':');
if (index != -1) {
attName = attName.substring(index + 1);
}
extraAttributes.put(attName, attValue);
attributes.put(attName, attValue);
}
protected void setStandardAttribute(String attName, String attValue) {
attributes.put(attName, attValue);
}
public Map getAttributes() {
return unmodifiableAttributesView;
}
public Map getExtraAttributes() {
return unmodifiableExtraAttributesView;
}
public Map getQualifiedExtraAttributes() {
return unmodifiableQualifiedExtraAttributesView;
}
}