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/*******************************************************************************
* Copyright (c) 2006, 2015 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.base.remote;
import java.io.IOException;
import java.io.InputStream;
import javax.xml.parsers.ParserConfigurationException;
import org.eclipse.help.IUAElement;
import org.eclipse.help.internal.UAElement;
import org.eclipse.help.internal.dynamic.DocumentReader;
import org.eclipse.help.internal.index.Index;
import org.eclipse.help.internal.index.IndexContribution;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
/*
* Converts indexes serialized by the IndexServlet on remote help server back
* into model objects. The XML is similar to index XML files but not identical
* (it has all indexes in one, has indexContribution elements, etc.
*/
public class RemoteIndexParser extends DefaultHandler {
private DocumentReader reader;
/*
* Parses the given serialized indexes and returns generated model objects.
*/
public IndexContribution[] parse(InputStream in) throws ParserConfigurationException, SAXException, IOException {
if (reader == null) {
reader = new DocumentReader();
}
UAElement root = reader.read(in);
IUAElement[] children = root.getChildren();
IndexContribution[] contributions = new IndexContribution[children.length];
for (int i=0;i<children.length;++i) {
UAElement child = (UAElement)children[i];
IndexContribution contribution = new IndexContribution();
contribution.setId(child.getAttribute("id")); //$NON-NLS-1$
contribution.setLocale(child.getAttribute("locale")); //$NON-NLS-1$
contribution.setIndex((Index)child.getChildren()[0]);
contributions[i] = contribution;
}
return contributions;
}
}
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