org.eclipse.egit.core.internal.GitURI.java Source code

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Here is the source code for org.eclipse.egit.core.internal.GitURI.java

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/*******************************************************************************
 * Copyright (c) 2011, IBM Corporation
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Tomasz Zarna (IBM) - initial implementation
 *******************************************************************************/
package org.eclipse.egit.core.internal;

import java.net.URI;
import java.net.URISyntaxException;

import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.egit.core.Activator;
import org.eclipse.egit.core.CoreText;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.transport.URIish;
import org.eclipse.osgi.util.NLS;

/**
 * This URI like construct used for a Git SCM URL. See
 * http://maven.apache.org/scm/scm-url-format.html for the format description.
 */
public class GitURI {
    // TODO replace with org.eclipse.team.core.ProjectSetCapability.SCHEME_SCM
    // when we drop support for Galileo
    private static final String SCHEME_SCM = "scm"; //$NON-NLS-1$

    private static final String SCHEME_GIT = "git"; //$NON-NLS-1$

    private static final String KEY_PATH = "path"; //$NON-NLS-1$

    private static final String KEY_PROJECT = "project"; //$NON-NLS-1$

    private static final String KEY_TAG = "tag"; //$NON-NLS-1$

    private final URIish repository;

    private IPath path;

    private String tag;

    private String projectName;

    /**
     * Construct the {@link GitURI} for the given URI.
     *
     * @param uri
     *            the URI in the SCM URL format
     */
    public GitURI(URI uri) {
        try {
            if (SCHEME_SCM.equals(uri.getScheme())) {
                final String ssp = uri.getSchemeSpecificPart();
                if (ssp.startsWith(SCHEME_GIT)) {
                    int indexOfSemicolon = ssp.indexOf(';');
                    URIish r = new URIish(ssp.substring(SCHEME_GIT.length() + 1, indexOfSemicolon));
                    IPath p = null;
                    String t = Constants.MASTER; // default
                    String pn = null;
                    String[] params = ssp.substring(indexOfSemicolon).split(";"); //$NON-NLS-1$
                    for (String param : params) {
                        if (param.startsWith(KEY_PATH + '=')) {
                            p = new Path(param.substring(param.indexOf('=') + 1));
                        } else if (param.startsWith(KEY_TAG + '=')) {
                            t = param.substring(param.indexOf('=') + 1);
                        } else if (param.startsWith(KEY_PROJECT + '=')) {
                            pn = param.substring(param.indexOf('=') + 1);
                        }
                    }
                    this.repository = r;
                    this.path = p;
                    this.tag = t;
                    this.projectName = pn;
                    return;
                }
            }
            throw new IllegalArgumentException(
                    NLS.bind(CoreText.GitURI_InvalidSCMURL, new String[] { uri.toString() }));
        } catch (URISyntaxException e) {
            Activator.logError(e.getMessage(), e);
            throw new IllegalArgumentException(
                    NLS.bind(CoreText.GitURI_InvalidURI, new String[] { uri.toString(), e.getMessage() }));
        }
    }

    /**
     * @return path
     */
    public IPath getPath() {
        return path;
    }

    /**
     * @return repository
     */
    public URIish getRepository() {
        return repository;
    }

    /**
     * @return tag
     */
    public String getTag() {
        return tag;
    }

    /**
     * @return project name
     */
    public String getProjectName() {
        return projectName;
    }
}