org.apache.ivy.osgi.updatesite.xml.UpdateSiteDigestParser Maven / Gradle / Ivy
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* 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.
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package org.apache.ivy.osgi.updatesite.xml;
import java.io.IOException;
import java.io.InputStream;
import java.text.ParseException;
import javax.xml.parsers.ParserConfigurationException;
import org.apache.ivy.osgi.core.ExecutionEnvironmentProfileProvider;
import org.apache.ivy.osgi.updatesite.UpdateSiteDescriptor;
import org.apache.ivy.osgi.updatesite.xml.FeatureParser.FeatureHandler;
import org.apache.ivy.osgi.util.DelegatingHandler;
import org.apache.ivy.util.XMLHelper;
import org.xml.sax.SAXException;
public class UpdateSiteDigestParser {
public static UpdateSiteDescriptor parse(InputStream in, UpdateSite site)
throws ParseException, IOException, SAXException {
DigestHandler handler = new DigestHandler(site);
try {
XMLHelper.parse(in, null, handler, null);
} catch (ParserConfigurationException e) {
throw new SAXException(e);
}
return handler.repoDescriptor;
}
static class DigestHandler extends DelegatingHandler {
private static final String DIGEST = "digest";
UpdateSiteDescriptor repoDescriptor;
public DigestHandler(final UpdateSite site) {
super(DIGEST);
repoDescriptor = new UpdateSiteDescriptor(site.getUri(),
ExecutionEnvironmentProfileProvider.getInstance());
addChild(new FeatureHandler(), new ChildElementHandler() {
public void childHanlded(FeatureHandler child) {
repoDescriptor.addFeature(child.feature);
}
});
}
}
}