org.apache.archiva.rest.services.utils.ArtifactBuilder.java Source code

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Here is the source code for org.apache.archiva.rest.services.utils.ArtifactBuilder.java

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package org.apache.archiva.rest.services.utils;
/*
 * 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.
 */

import org.apache.archiva.metadata.model.ArtifactMetadata;
import org.apache.archiva.metadata.model.maven2.MavenArtifactFacet;
import org.apache.archiva.model.ArtifactReference;
import org.apache.archiva.repository.ManagedRepositoryContent;
import org.apache.archiva.maven2.model.Artifact;
import org.apache.commons.io.FilenameUtils;

import java.io.File;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.util.Locale;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * @author Olivier Lamy
 * @since 1.4-M3
 */
public class ArtifactBuilder {

    private ManagedRepositoryContent managedRepositoryContent;

    private ArtifactMetadata artifactMetadata;

    public ArtifactBuilder() {
        // no op
    }

    public ArtifactBuilder withManagedRepositoryContent(ManagedRepositoryContent managedRepositoryContent) {
        this.managedRepositoryContent = managedRepositoryContent;
        return this;
    }

    public ArtifactBuilder forArtifactMetadata(ArtifactMetadata artifactMetadata) {
        this.artifactMetadata = artifactMetadata;
        return this;
    }

    public Artifact build() {
        ArtifactReference ref = new ArtifactReference();
        ref.setArtifactId(artifactMetadata.getProject());
        ref.setGroupId(artifactMetadata.getNamespace());
        ref.setVersion(artifactMetadata.getVersion());

        String type = null, classifier = null;

        MavenArtifactFacet facet = (MavenArtifactFacet) artifactMetadata.getFacet(MavenArtifactFacet.FACET_ID);
        if (facet != null) {
            type = facet.getType();
            classifier = facet.getClassifier();
        }

        ref.setClassifier(classifier);
        ref.setType(type);
        File file = managedRepositoryContent.toFile(ref);

        String extension = getExtensionFromFile(file);

        Artifact artifact = new Artifact(ref.getGroupId(), ref.getArtifactId(), ref.getVersion());
        artifact.setRepositoryId(artifactMetadata.getRepositoryId());
        artifact.setClassifier(classifier);
        artifact.setPackaging(type);
        artifact.setType(type);
        artifact.setFileExtension(extension);
        artifact.setPath(managedRepositoryContent.toPath(ref));
        // TODO: find a reusable formatter for this
        double s = this.artifactMetadata.getSize();
        String symbol = "b";
        if (s > 1024) {
            symbol = "K";
            s /= 1024;

            if (s > 1024) {
                symbol = "M";
                s /= 1024;

                if (s > 1024) {
                    symbol = "G";
                    s /= 1024;
                }
            }
        }
        artifact.setContext(managedRepositoryContent.getId());
        DecimalFormat df = new DecimalFormat("#,###.##", new DecimalFormatSymbols(Locale.US));
        artifact.setSize(df.format(s) + " " + symbol);

        artifact.setId(ref.getArtifactId() + "-" + ref.getVersion() + "." + ref.getType());

        return artifact;

    }

    /**
     * Extract file extension
     */
    String getExtensionFromFile(File file) {
        // we are just interested in the section after the last -
        String[] parts = file.getName().split("-");
        if (parts.length > 0) {
            // get anything after a dot followed by a letter a-z, including other dots
            Pattern p = Pattern.compile("\\.([a-z]+[a-z0-9\\.]*)");
            Matcher m = p.matcher(parts[parts.length - 1]);
            if (m.find()) {
                return m.group(1);
            }
        }
        // just in case
        return FilenameUtils.getExtension(file.getName());
    }

}