/*
* Copyright 2010 Ning, Inc.
*
* Ning 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 com.ning.maven.plugins.duplicatefinder;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.regex.Pattern;
import org.apache.commons.lang.StringUtils;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.versioning.ArtifactVersion;
import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
import org.apache.maven.artifact.versioning.OverConstrainedVersionException;
import org.apache.maven.artifact.versioning.VersionRange;
import org.apache.maven.model.Dependency;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
@SuppressFBWarnings("BAD_PRACTICE")
public class Exception
{
public static final String CURRENT_PROJECT_IDENTIFIER = "<current project>";
private DependencyWrapper[] conflictingDependencies;
private boolean currentProject;
private final Set<String> classes = new HashSet<String>();
private final Set<String> packages = new HashSet<String>();
private final Set<String> resources = new HashSet<String>();
private Pattern[] matchingResources = new Pattern[0];
public void setConflictingDependencies(final Dependency[] conflictingDependencies) throws InvalidVersionSpecificationException
{
this.conflictingDependencies = new DependencyWrapper[conflictingDependencies.length];
for (int idx = 0; idx < conflictingDependencies.length; idx++) {
this.conflictingDependencies[idx] = new DependencyWrapper(conflictingDependencies[idx]);
}
}
public void setResourcePatterns(final String[] resourcePatterns)
{
this.matchingResources = new Pattern[resourcePatterns.length];
for (int i = 0; i < resourcePatterns.length; i++) {
this.matchingResources[i] = Pattern.compile(resourcePatterns[i], Pattern.CASE_INSENSITIVE);
}
}
public boolean isCurrentProject()
{
return currentProject;
}
public void setCurrentProject(final boolean currentProject)
{
this.currentProject = currentProject;
}
public String[] getClasses()
{
return classes.toArray(new String[classes.size()]);
}
public void setClasses(final String[] classes)
{
this.classes.addAll(Arrays.asList(classes));
}
public String[] getPackages()
{
return packages.toArray(new String[packages.size()]);
}
public void setPackages(final String[] packages)
{
this.packages.addAll(Arrays.asList(packages));
}
public String[] getResources()
{
return resources.toArray(new String[resources.size()]);
}
public void setResources(final String[] resources)
{
this.resources.addAll(Arrays.asList(resources));
}
public List<String> getDependencyNames()
{
final List<String> result = new ArrayList<String>();
if (conflictingDependencies != null) {
for (int idx = 0; idx < conflictingDependencies.length; idx++) {
result.add(conflictingDependencies[idx].toString());
}
}
if (currentProject) {
result.add(CURRENT_PROJECT_IDENTIFIER);
}
Collections.sort(result);
return result;
}
public boolean isForArtifacts(final Collection<Artifact> artifacts, final Artifact projectArtifact)
{
int numMatches = 0;
for (Artifact artifact : artifacts) {
if (conflictingDependencies != null) {
for (int idx = 0; idx < conflictingDependencies.length; idx++) {
if (conflictingDependencies[idx].matches(artifact)) {
numMatches++;
}
else if (currentProject && currentProjectDependencyMatches(artifact, projectArtifact)) {
numMatches++;
}
}
}
}
return numMatches == artifacts.size();
}
private boolean currentProjectDependencyMatches(final Artifact artifact, final Artifact projectArtifact)
{
final VersionRange versionRange = projectArtifact.getVersionRange();
ArtifactVersion version;
try {
if (artifact.getVersionRange() != null) {
version = artifact.getSelectedVersion();
}
else {
version = new DefaultArtifactVersion(artifact.getVersion());
}
}
catch (final OverConstrainedVersionException ex) {
return false;
}
return StringUtils.equals(projectArtifact.getGroupId(), artifact.getGroupId()) &&
StringUtils.equals(projectArtifact.getArtifactId(), artifact.getArtifactId()) &&
StringUtils.equals(StringUtils.defaultIfEmpty(projectArtifact.getType(), "jar"), StringUtils.defaultIfEmpty(artifact.getType(), "jar")) &&
StringUtils.equals(projectArtifact.getClassifier(), artifact.getClassifier()) &&
(versionRange != null && versionRange.containsVersion(version) || artifact.getVersion().equals(projectArtifact.getVersion()));
}
public boolean containsClass(final String className)
{
if (classes.contains(className)) {
return true;
}
else {
for (String packageName : packages) {
if (className.startsWith(packageName)) {
return true;
}
}
return false;
}
}
public boolean containsResource(final String resource)
{
final String resourceAsRelative = resource.startsWith("/") || resource.startsWith("\\") ? resource.substring(1) : resource;
if (resources.contains(resourceAsRelative) ||
resources.contains("/" + resourceAsRelative) ||
resources.contains("\\" + resourceAsRelative)) {
return true;
}
for (int i = 0; i < matchingResources.length; i++) {
if (matchingResources[i].matcher(resourceAsRelative).matches()) {
return true;
}
}
return false;
}
}