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/*******************************************************************************
* Copyright (c) 2004 - 2006 University Of British Columbia and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* University Of British Columbia - initial API and implementation
*******************************************************************************/
package org.eclipse.mylar.tasks.core;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import org.eclipse.mylar.core.MylarStatusHandler;
/**
* @author Rob Elves
*/
public class AttributeContainer implements Serializable {
public static final String ERROR_NO_ATTRIBUTE_FACTORY = "Attribute factory not available.";
private static final long serialVersionUID = 3538078709450471836L;
/** The keys for the report attributes */
private ArrayList<String> attributeKeys;
/** report attributes (status, resolution, etc.) */
private HashMap<String, RepositoryTaskAttribute> attributes;
private transient AbstractAttributeFactory attributeFactory;
public AttributeContainer(AbstractAttributeFactory attributeFactory) {
this.attributeFactory = attributeFactory;
attributeKeys = new ArrayList<String>();
attributes = new HashMap<String, RepositoryTaskAttribute>();
}
public void setAttributeFactory(AbstractAttributeFactory factory) {
this.attributeFactory = factory;
}
public void addAttribute(String key, RepositoryTaskAttribute attribute) {
if (attributeFactory == null) {
MylarStatusHandler.log(ERROR_NO_ATTRIBUTE_FACTORY, this);
return;
}
String mapped = attributeFactory.mapCommonAttributeKey(key);
if(mapped == null) {
MylarStatusHandler.log("Mylar Error: mapped value for "+key+" returned null.", this);
return;
} if (!attributes.containsKey(mapped)) {
attributeKeys.add(mapped);
}
attributes.put(mapped, attribute);
}
public RepositoryTaskAttribute getAttribute(String key) {
if (attributeFactory == null) {
MylarStatusHandler.log(ERROR_NO_ATTRIBUTE_FACTORY, this);
return null;
}
String mapped = attributeFactory.mapCommonAttributeKey(key);
return attributes.get(mapped);
}
public void removeAttribute(Object key) {
attributeKeys.remove(key);
attributes.remove(key);
}
public List<RepositoryTaskAttribute> getAttributes() {
ArrayList<RepositoryTaskAttribute> attributeEntries = new ArrayList<RepositoryTaskAttribute>(attributeKeys
.size());
for (Iterator<String> it = attributeKeys.iterator(); it.hasNext();) {
String key = it.next();
RepositoryTaskAttribute attribute = attributes.get(key);
attributeEntries.add(attribute);
}
return attributeEntries;
}
public void removeAllAttributes() {
attributeKeys.clear();
attributes.clear();
}
public void addAttributeValue(String key, String value) {
if (attributeFactory == null) {
MylarStatusHandler.log(ERROR_NO_ATTRIBUTE_FACTORY, this);
return;
}
RepositoryTaskAttribute attrib = getAttribute(key);
if (attrib != null) {
attrib.addValue(value);
} else {
attrib = attributeFactory.createAttribute(key);
attrib.addValue(value);
addAttribute(key, attrib);
}
}
/**
* sets a value on an attribute, if attribute doesn't exist, appropriate
* attribute is created
*/
public void setAttributeValue(String key, String value) {
if (attributeFactory == null) {
MylarStatusHandler.log(ERROR_NO_ATTRIBUTE_FACTORY, this);
return;
}
RepositoryTaskAttribute attrib = getAttribute(key);
if (attrib == null) {
attrib = attributeFactory.createAttribute(key);
addAttribute(key, attrib);
}
attrib.setValue(value);
}
public String getAttributeValue(String key) {
if (attributeFactory == null) {
MylarStatusHandler.log(ERROR_NO_ATTRIBUTE_FACTORY, this);
return "";
}
String returnValue = "";
RepositoryTaskAttribute attrib = getAttribute(key);
if (attrib != null) {
returnValue = attrib.getValue();
}
return returnValue;
}
public List<String> getAttributeValues(String key) {
List<String> returnValue = new ArrayList<String>();
if (attributeFactory == null) {
MylarStatusHandler.log(ERROR_NO_ATTRIBUTE_FACTORY, this);
return returnValue;
}
RepositoryTaskAttribute attrib = getAttribute(key);
if (attrib != null) {
returnValue = attrib.getValues();
}
return returnValue;
}
public AbstractAttributeFactory getAttributeFactory(){
return attributeFactory;
}
}
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