org.eclim.plugin.core.command.project.ProjectNaturesCommand.java Source code

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Here is the source code for org.eclim.plugin.core.command.project.ProjectNaturesCommand.java

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/**
 * Copyright (C) 2005 - 2009  Eric Van Dewoestine
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.eclim.plugin.core.command.project;

import java.util.ArrayList;

import org.apache.commons.lang.StringUtils;

import org.eclim.annotation.Command;

import org.eclim.command.CommandLine;
import org.eclim.command.Options;

import org.eclim.plugin.core.command.AbstractCommand;

import org.eclim.plugin.core.project.ProjectNatureFactory;

import org.eclim.plugin.core.util.ProjectUtils;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;

/**
 * Command which returns a list of project nature aliases associated with the
 * requested project, or a list of all projects if no project name specified.
 *
 * @author Eric Van Dewoestine
 */
@Command(name = "project_natures", options = "OPTIONAL p project ARG")
public class ProjectNaturesCommand extends AbstractCommand {
    /**
     * {@inheritDoc}
     */
    public String execute(CommandLine commandLine) throws Exception {
        String name = commandLine.getValue(Options.PROJECT_OPTION);

        // list all projects.
        if (name == null) {
            ArrayList<String> results = new ArrayList<String>();

            IProject[] projects = ResourcesPlugin.getWorkspace().getRoot().getProjects();

            // find longest project name for padding.
            int length = 0;
            for (IProject project : projects) {
                if (project.isOpen()) {
                    name = project.getName();
                    if (name.length() > length) {
                        length = name.length();
                    }
                }
            }

            for (IProject project : projects) {
                if (project.isOpen()) {
                    String[] aliases = ProjectNatureFactory.getProjectNatureAliases(project);
                    if (aliases.length == 0) {
                        aliases = new String[] { "none" };
                    }
                    StringBuffer info = new StringBuffer().append(StringUtils.rightPad(project.getName(), length))
                            .append(" - ").append(StringUtils.join(aliases, ' '));
                    results.add(info.toString());
                }
            }

            return StringUtils.join((String[]) results.toArray(new String[results.size()]), '\n');
        }

        // list for requested project.
        String[] aliases = ProjectNatureFactory.getProjectNatureAliases(ProjectUtils.getProject(name));
        if (aliases.length == 0) {
            aliases = new String[] { "none" };
        }
        return name + " - " + StringUtils.join(aliases, ' ');
    }
}