/*******************************************************************************
* Copyright (c) 2000, 2006 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.help.internal.workingset;
import java.util.Arrays;
import java.util.HashMap;
import org.eclipse.core.runtime.*;
import org.eclipse.help.*;
/**
* Makes help resources adaptable and persistable
*/
public class AdaptableTocsArray implements IAdaptable {
IToc[] element;
AdaptableToc[] children;
HashMap map;
/**
* This constructor will be called when wrapping help resources.
*/
public AdaptableTocsArray(IToc[] tocs) {
this.element = tocs;
}
/**
* @see org.eclipse.core.runtime.IAdaptable#getAdapter(java.lang.Class)
*/
public Object getAdapter(Class adapter) {
if (adapter == IToc[].class)
return element;
return null;
}
public IAdaptable[] getChildren() {
if (children == null) {
children = new AdaptableToc[element.length];
for (int i = 0; i < element.length; i++) {
children[i] = new AdaptableToc(element[i]);
children[i].setParent(this);
}
}
return children;
}
public AdaptableToc getAdaptableToc(String href) {
if (map == null) {
getChildren(); // make sure children are initialized
map = new HashMap(children.length);
for (int i = 0; i < children.length; i++)
map.put(children[i].getHref(), children[i]);
}
return (AdaptableToc) map.get(href);
}
IToc[] asArray() {
return element;
}
/**
* Tests the receiver and the object for equality
*
* @param object
* object to compare the receiver to
* @return true=the object equals the receiver, the name is the same. false
* otherwise
*/
public boolean equals(Object object) {
if (this == object) {
return true;
}
if (!(object instanceof AdaptableTocsArray)) {
return false;
}
AdaptableTocsArray res = (AdaptableTocsArray) object;
return (Arrays.equals(asArray(), res.asArray()));
}
/**
* Returns the hash code.
*
* @return the hash code.
*/
public int hashCode() {
if (element == null)
return -1;
return element.hashCode();
}
}
|