org.jetbrains.idea.maven.server.embedder.CustomArtifact.java Source code

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Here is the source code for org.jetbrains.idea.maven.server.embedder.CustomArtifact.java

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/*
 * Copyright 2000-2009 JetBrains s.r.o.
 *
 * 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.
 */
package org.jetbrains.idea.maven.server.embedder;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantReadWriteLock;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.handler.ArtifactHandler;
import org.apache.maven.artifact.metadata.ArtifactMetadata;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.resolver.filter.ArtifactFilter;
import org.apache.maven.artifact.versioning.ArtifactVersion;
import org.apache.maven.artifact.versioning.OverConstrainedVersionException;
import org.apache.maven.artifact.versioning.VersionRange;
import org.jetbrains.idea.maven.util.MavenFileUtil;

public class CustomArtifact implements Artifact {
    private static final Map<String, File> ourStubCache = new HashMap<String, File>();
    private static final ReentrantReadWriteLock ourCacheLock = new ReentrantReadWriteLock();
    private static final Lock ourCacheReadLock = ourCacheLock.readLock();
    private static final Lock ourCacheWriteLock = ourCacheLock.writeLock();

    private final Artifact myWrapee;
    private volatile boolean isStub;

    public CustomArtifact(Artifact a) {
        myWrapee = a;
    }

    public String getGroupId() {
        return myWrapee.getGroupId();
    }

    public String getArtifactId() {
        return myWrapee.getArtifactId();
    }

    public String getVersion() {
        return myWrapee.getVersion();
    }

    public void setVersion(String version) {
        myWrapee.setVersion(version);
    }

    public String getScope() {
        return myWrapee.getScope();
    }

    public String getType() {
        return myWrapee.getType();
    }

    public String getClassifier() {
        return myWrapee.getClassifier();
    }

    public boolean hasClassifier() {
        return myWrapee.hasClassifier();
    }

    public File getFile() {
        update();
        return myWrapee.getFile();
    }

    private void update() {
        if ("pom".equals(getType()) && isResolved()) {
            ensurePomFileExists();
        }
    }

    private void ensurePomFileExists() {
        File f = myWrapee.getFile();
        if (f == null || f.exists())
            return;

        isStub = true;

        ourCacheReadLock.lock();
        try {
            f = ourStubCache.get(getId());
        } finally {
            ourCacheReadLock.unlock();
        }

        if (f != null) {
            myWrapee.setFile(f);
            return;
        }

        ourCacheWriteLock.lock();
        try {
            f = ourStubCache.get(getId());
            if (f != null) {
                myWrapee.setFile(f);
                return;
            }

            f = MavenFileUtil.createTempFile("idea.maven.stub", ".pom");
            f.deleteOnExit();

            FileOutputStream s = new FileOutputStream(f);
            try {
                PrintWriter w = new PrintWriter(s);
                w.println("<project>");
                w.println("<modelVersion>4.0.0</modelVersion>");
                w.println("<packaging>pom</packaging>");
                w.println("<groupId>" + getGroupId() + "</groupId>");
                w.println("<artifactId>" + getArtifactId() + "</artifactId>");
                w.println("<version>" + getVersion() + "</version>");
                w.println("</project>");
                w.flush();
            } finally {
                s.close();
            }

            myWrapee.setFile(f);
            ourStubCache.put(getId(), f);
        } catch (IOException e) {
            // todo
            //try {
            //  MavenFacadeGlobalsManager.getLogger().warn(e);
            //}
            //catch (RemoteException e1) {
            //  throw new RuntimeRemoteException(e1);
            //}
        } finally {
            ourCacheWriteLock.unlock();
        }
    }

    public void setFile(File destination) {
        myWrapee.setFile(destination);
    }

    public boolean isStub() {
        return isStub;
    }

    public String getBaseVersion() {
        return myWrapee.getBaseVersion();
    }

    public void setBaseVersion(String baseVersion) {
        myWrapee.setBaseVersion(baseVersion);
    }

    public String getId() {
        try {
            return myWrapee.getId();
        } catch (NullPointerException e) {
            if (e.getMessage() != null && e.getMessage().contains("version was null")) {
                VersionRange range = getVersionRange();
                if (range != null) {
                    setBaseVersion(range.toString());
                    return myWrapee.getId();
                }
            }
            throw e;
        }
    }

    public String getDependencyConflictId() {
        return myWrapee.getDependencyConflictId();
    }

    public ArtifactMetadata getMetadata(Class<?> metadataClass) {
        return myWrapee.getMetadata(metadataClass);
    }

    public void addMetadata(ArtifactMetadata metadata) {
        myWrapee.addMetadata(metadata);
    }

    public Collection<ArtifactMetadata> getMetadataList() {
        return myWrapee.getMetadataList();
    }

    public void setRepository(ArtifactRepository remoteRepository) {
        myWrapee.setRepository(remoteRepository);
    }

    public ArtifactRepository getRepository() {
        return myWrapee.getRepository();
    }

    public void updateVersion(String version, ArtifactRepository localRepository) {
        myWrapee.updateVersion(version, localRepository);
    }

    public String getDownloadUrl() {
        return myWrapee.getDownloadUrl();
    }

    public void setDownloadUrl(String downloadUrl) {
        myWrapee.setDownloadUrl(downloadUrl);
    }

    public ArtifactFilter getDependencyFilter() {
        return myWrapee.getDependencyFilter();
    }

    public void setDependencyFilter(ArtifactFilter artifactFilter) {
        myWrapee.setDependencyFilter(artifactFilter);
    }

    public ArtifactHandler getArtifactHandler() {
        return myWrapee.getArtifactHandler();
    }

    public List<String> getDependencyTrail() {
        return myWrapee.getDependencyTrail();
    }

    public void setDependencyTrail(List<String> dependencyTrail) {
        myWrapee.setDependencyTrail(dependencyTrail);
    }

    public void setScope(String scope) {
        myWrapee.setScope(scope);
    }

    public VersionRange getVersionRange() {
        return myWrapee.getVersionRange();
    }

    public void setVersionRange(VersionRange newRange) {
        myWrapee.setVersionRange(newRange);
    }

    public void selectVersion(String version) {
        myWrapee.selectVersion(version);
    }

    public void setGroupId(String groupId) {
        myWrapee.setGroupId(groupId);
    }

    public void setArtifactId(String artifactId) {
        myWrapee.setArtifactId(artifactId);
    }

    public boolean isSnapshot() {
        return myWrapee.isSnapshot();
    }

    public void setResolved(boolean resolved) {
        myWrapee.setResolved(resolved);
    }

    public boolean isResolved() {
        return myWrapee.isResolved();
    }

    public void setResolvedVersion(String version) {
        myWrapee.setResolvedVersion(version);
    }

    public void setArtifactHandler(ArtifactHandler handler) {
        myWrapee.setArtifactHandler(handler);
    }

    public boolean isRelease() {
        return myWrapee.isRelease();
    }

    public void setRelease(boolean release) {
        myWrapee.setRelease(release);
    }

    public List<ArtifactVersion> getAvailableVersions() {
        return myWrapee.getAvailableVersions();
    }

    public void setAvailableVersions(List<ArtifactVersion> versions) {
        myWrapee.setAvailableVersions(versions);
    }

    public boolean isOptional() {
        return myWrapee.isOptional();
    }

    public void setOptional(boolean optional) {
        myWrapee.setOptional(optional);
    }

    public ArtifactVersion getSelectedVersion() throws OverConstrainedVersionException {
        return myWrapee.getSelectedVersion();
    }

    public boolean isSelectedVersionKnown() throws OverConstrainedVersionException {
        return myWrapee.isSelectedVersionKnown();
    }

    public int compareTo(Artifact o) {
        return myWrapee.compareTo(o);
    }

    @Override
    public String toString() {
        return myWrapee.toString();
    }

    @Override
    public boolean equals(Object obj) {
        if (obj instanceof CustomArtifact)
            obj = ((CustomArtifact) obj).myWrapee;
        return myWrapee.equals(obj);
    }

    @Override
    public int hashCode() {
        return myWrapee.hashCode();
    }
}