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/*
* 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
*
* 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.
*/
/* $Id$ */
package org.apache.fop.area;
// Java
import java.util.List;
import java.io.Serializable;
// FOP
import org.apache.fop.area.Trait;
import org.apache.fop.area.Resolvable;
import org.apache.fop.area.PageViewport;
import org.apache.fop.area.Area;
/**
* Link resolving for resolving internal links.
*/
public class LinkResolver implements Resolvable, Serializable {
private boolean resolved = false;
private String idRef;
private Area area;
/**
* Create a new link resolver.
*
* @param id the id to resolve
* @param a the area that will have the link attribute
*/
public LinkResolver(String id, Area a) {
idRef = id;
area = a;
}
/**
* @return true if this link is resolved
*/
public boolean isResolved() {
return resolved;
}
public String[] getIDs() {
return new String[] {idRef};
}
/**
* Resolve by adding an internal link.
*/
public void resolveIDRef(String id, List pages) {
if (idRef.equals(id) && pages != null) {
resolved = true;
PageViewport page = (PageViewport)pages.get(0);
area.addTrait(Trait.INTERNAL_LINK, page.getKey());
}
}
}
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