/*
* 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.
*
*/
package org.apache.ivy.ant;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.apache.ivy.core.module.id.ModuleRevisionId;
import org.apache.ivy.core.report.ResolveReport;
import org.apache.ivy.core.resolve.IvyNode;
import org.apache.ivy.core.resolve.IvyNodeCallers.Caller;
import org.apache.ivy.core.resolve.IvyNodeEviction.EvictionData;
import org.apache.tools.ant.BuildException;
public class IvyDependencyTree extends IvyPostResolveTask {
private Map/* <ModuleRevisionId, List<IvyNode>> */dependencies = new HashMap/*
* <ModuleRevisionId,
* List<IvyNode>>
*/();
private boolean showEvicted = false;
public void doExecute() throws BuildException {
prepareAndCheck();
ResolveReport report = getResolvedReport();
log("Dependency tree for " + report.getResolveId());
ModuleRevisionId mrid = report.getModuleDescriptor().getModuleRevisionId();
// make dependency tree easier to fetch informations
for (Iterator iterator = report.getDependencies().iterator(); iterator.hasNext();) {
IvyNode dependency = (IvyNode) iterator.next();
populateDependencyTree(dependency, mrid, report);
}
printDependencies((List) dependencies.get(mrid), 0);
}
private void printDependencies(List/* <IvyNode> */dependencyList, int indent) {
for (Iterator iterator = dependencyList.iterator(); iterator.hasNext();) {
IvyNode dependency = (IvyNode) iterator.next();
boolean evicted = dependency.isEvicted(getConf());
if (evicted && !showEvicted) {
continue;
}
StringBuffer sb = new StringBuffer();
if (indent > 0) {
for (int i = 0; i < indent; i++) {
if (i == indent - 1 && !iterator.hasNext() && !hasDependencies(dependency)) {
sb.append(" ");
} else {
sb.append("| ");
}
}
}
if (iterator.hasNext()) {
sb.append("+- ");
} else {
sb.append("\\- ");
}
sb.append(dependency.getId().toString());
if (evicted && showEvicted) {
EvictionData evictedData = dependency.getEvictedData(getConf());
if (evictedData.isTransitivelyEvicted()) {
sb.append(" transitively");
} else {
sb.append(" evicted by ");
sb.append(evictedData.getSelected());
sb.append(" in ").append(evictedData.getParent());
if (evictedData.getDetail() != null) {
sb.append(" ").append(evictedData.getDetail());
}
}
}
log(sb.toString());
printDependencies((List) dependencies.get(dependency.getId()), indent + 1);
}
}
private boolean hasDependencies(IvyNode dependency) {
List dependencyList = (List) dependencies.get(dependency.getId());
return dependencyList.size() > 0;
}
private void populateDependencyTree(IvyNode dependency, ModuleRevisionId currentMrid,
ResolveReport report) {
registerNodeIfNecessary(dependency.getId());
for (int i = 0; i < dependency.getAllCallers().length; i++) {
Caller caller = dependency.getAllCallers()[i];
addDependency(caller.getModuleRevisionId(), dependency);
}
}
private void registerNodeIfNecessary(ModuleRevisionId moduleRevisionId) {
if (!dependencies.containsKey(moduleRevisionId)) {
dependencies.put(moduleRevisionId, new ArrayList/* <IvyNode> */());
}
}
private void addDependency(ModuleRevisionId moduleRevisionId, IvyNode dependency) {
registerNodeIfNecessary(moduleRevisionId);
List/* <IvyNode> */list = (List) dependencies.get(moduleRevisionId);
list.add(dependency);
}
public boolean isShowEvicted() {
return showEvicted;
}
public void setShowEvicted(boolean showEvicted) {
this.showEvicted = showEvicted;
}
}