com.htmlhifive.tools.jslint.JSLintPlugin.java Source code

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Here is the source code for com.htmlhifive.tools.jslint.JSLintPlugin.java

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/*
 * Copyright (C) 2012 NS Solutions Corporation
 *
 * 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 com.htmlhifive.tools.jslint;

import org.apache.commons.lang.StringUtils;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

import com.htmlhifive.tools.jslint.logger.JSLintPluginLogger;
import com.htmlhifive.tools.jslint.logger.JSLintPluginLoggerFactory;
import com.htmlhifive.tools.jslint.logger.impl.JSLintPluginLoggerDefaultImpl;
import com.htmlhifive.tools.jslint.messages.Messages;

/**
 * JSLint.
 */
public class JSLintPlugin extends AbstractUIPlugin {

    /**
     * ID.
     */
    public static final String PLUGIN_ID = "com.htmlhifive.tools.jslint.H5JSLintPlugin"; //$NON-NLS-1$

    /**
     * .
     */
    private static JSLintPluginLogger logger = JSLintPluginLoggerFactory.getLogger(JSLintPlugin.class);

    /**
     * .
     */
    private static JSLintPlugin plugin;

    /**
     * .
     */
    public JSLintPlugin() {

    }

    /*
     * (? Javadoc)
     * 
     * @see
     * org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext
     * )
     */
    @Override
    public void start(BundleContext context) throws Exception {

        super.start(context);
        plugin = this;
        JSLintPluginLoggerFactory.setLogger(JSLintPluginLoggerDefaultImpl.class);

    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext
     * )
     */
    @Override
    public void stop(BundleContext context) throws Exception {

        plugin = null;
        super.stop(context);
    }

    /**
     * Returns the shared instance.
     * 
     * @return the shared instance
     */
    public static JSLintPlugin getDefault() {

        return plugin;
    }

    /**
     * Returns an image descriptor for the image file at the given plug-in
     * relative path.
     * 
     * @param path the path
     * @return the image descriptor
     */
    public static ImageDescriptor getImageDescriptor(String path) {

        return imageDescriptorFromPlugin(PLUGIN_ID, path);
    }

    /**
     * ?JSLint?????????????.
     * 
     * @param project ?.
     * @return JSLint???????????.
     */
    public static boolean hasJSLintNature(IProject project) {
        try {
            IProjectDescription description = project.getDescription();
            String[] natureIds = description.getNatureIds();
            for (String string : natureIds) {
                if (StringUtils.equals(JSLintPluginNature.NATURE_ID, string)) {
                    return true;
                }
            }
        } catch (CoreException e) {
            logger.put(Messages.EM0011, project.getName());
        }
        return false;
    }

    /**
     * ?JSLintNature?.
     * 
     * @param project .
     */
    public static void removeJSLintNature(IProject project) {
        // ???.
        try {
            if (!hasJSLintNature(project)) {
                return;
            }
            IProjectDescription description = project.getDescription();
            String[] natureIds = description.getNatureIds();
            for (int i = 0; i < natureIds.length; ++i) {
                String[] newNatures = new String[natureIds.length - 1];
                System.arraycopy(natureIds, 0, newNatures, 0, i);
                System.arraycopy(natureIds, i + 1, newNatures, i, natureIds.length - i - 1);
                description.setNatureIds(newNatures);
                project.setDescription(description, null);
            }
        } catch (CoreException e) {
            logger.put(Messages.EM0011, e, project.getName());
        }
    }

    /**
     * JSLintNature?.
     * 
     * @param project .
     */
    public static void addJSLintNature(IProject project) {
        try {
            if (hasJSLintNature(project)) {
                return;
            }
            IProjectDescription description = project.getDescription();
            String[] natureIds = description.getNatureIds();
            // ???.
            String[] newNatures = new String[natureIds.length + 1];
            System.arraycopy(natureIds, 0, newNatures, 0, natureIds.length);
            newNatures[natureIds.length] = JSLintPluginNature.NATURE_ID;
            description.setNatureIds(newNatures);
            project.setDescription(description, null);
        } catch (CoreException e) {
            logger.put(Messages.EM0011, e, project.getName());
        }
    }
}