groovyx.osgi.test.LocalFileSystemIvyRepository.java Source code

Introduction

Here is the source code for groovyx.osgi.test.LocalFileSystemIvyRepository.java

Source

/*
 * Copyright 2009-2010 Wolfgang Schell
 *
 * 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 groovyx.osgi.test;

import java.io.File;
import java.security.AccessController;
import java.security.PrivilegedAction;

import org.eclipse.gemini.blueprint.test.provisioning.ArtifactLocator;
import org.springframework.core.io.FileSystemResource;
import org.springframework.core.io.Resource;

class LocalFileSystemIvyRepository implements ArtifactLocator {
    public final static String DEFAULT_TYPE = "jar";

    private final static String SLASH_CHAR = "/";
    private final static String USER_HOME_PROPERTY = "user.home";

    private final File repositoryDir;

    public LocalFileSystemIvyRepository() {
        this(".ivy2/cache");
    }

    public LocalFileSystemIvyRepository(String baseDir) {
        this(getFileFromPath(baseDir));
    }

    public LocalFileSystemIvyRepository(File baseDir) {
        this.repositoryDir = baseDir;
    }

    public static File getFileFromPath(String path) {
        // use privileged action to get user home
        String userHome = AccessController.doPrivileged(new PrivilegedAction<String>() {

            public String run() {
                return System.getProperty(USER_HOME_PROPERTY);
            }
        });

        File home = new File(userHome);
        return new File(home, path);
    }

    public Resource locateArtifact(String group, String id, String version, String type) {

        type = type != null ? type : DEFAULT_TYPE;

        // path is <baseDir>/<group>/<id>/<type>s/<id>-<version>.jar
        StringBuilder location = new StringBuilder();
        if (group != null) {
            // group
            location.append(group);
            location.append(SLASH_CHAR);
        }

        // id
        location.append(id);

        location.append(SLASH_CHAR);
        // type is always in plural form
        location.append(type);
        location.append("s");

        // id and version
        location.append(SLASH_CHAR);
        location.append(id);
        location.append("-");
        location.append(version);
        location.append(".jar");

        return new FileSystemResource(new File(repositoryDir, location.toString()));
    }

    public Resource locateArtifact(String group, String id, String version) {
        return locateArtifact(group, id, version, DEFAULT_TYPE);
    }

}