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

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Here is the source code for com.htmlhifive.tools.jslint.JSLintPluginBuilder.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 java.util.Map;

import org.apache.commons.lang.StringUtils;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.resources.IResourceDeltaVisitor;
import org.eclipse.core.resources.IncrementalProjectBuilder;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;

import com.htmlhifive.tools.jslint.parse.JsParserFactory;
import com.htmlhifive.tools.jslint.parse.Parser;

/**
 * JSLint.
 * 
 * @author NS Solutions Corporation
 * 
 */
public class JSLintPluginBuilder extends IncrementalProjectBuilder {

    /**
     * ID.
     */
    public static final String BUILDER_ID = "com.htmlhifive.tools.jslint.H5JSLintPlugin.jslintbuilder";

    /**
     * 
     * ?.
     * 
     * @author NS Solutions Corporation
     * 
     */
    private class IncrementalBuildVisitor implements IResourceDeltaVisitor {

        @Override
        public boolean visit(IResourceDelta delta) throws CoreException {

            IResource resource = delta.getResource();
            switch (delta.getKind()) {
            case IResourceDelta.ADDED:
                checkJs(resource);
                break;

            case IResourceDelta.CHANGED:
                checkJs(resource);
                break;
            default:
                break;
            }

            return true;
        }
    }

    /**
     * ??.<br>
     * js??.
     * 
     * @param resource .
     * @throws CoreException ?.
     */
    private void checkJs(IResource resource) throws CoreException {

        if (resource instanceof IFile
                && StringUtils.equals(resource.getFileExtension(), JSLintPluginConstant.EXTENTION_JS)) {
            Parser parser = JsParserFactory.createParser(resource);
            try {
                parser.parse(new NullProgressMonitor());
            } catch (InterruptedException e) {
                // ignore
            }
        }

    }

    /*
     * (? Javadoc)
     * 
     * @see org.eclipse.core.resources.IncrementalProjectBuilder#build(int,
     * java.util.Map<java.lang.String,java.lang.String>,
     * org.eclipse.core.runtime.IProgressMonitor)
     */
    @Override
    protected IProject[] build(int kind, Map<String, String> args, IProgressMonitor monitor) throws CoreException {

        if (kind == FULL_BUILD) {
            fullBuild(monitor);
        } else {
            IResourceDelta delta = getDelta(getProject());
            if (delta == null) {
                fullBuild(monitor);
            } else {
                incrementalBuild(delta, monitor);
            }
        }
        return null;
    }

    /**
     * ?.
     * 
     * @param delta .
     * @param monitor .
     * @throws CoreException ?.
     */
    private void incrementalBuild(IResourceDelta delta, IProgressMonitor monitor) throws CoreException {

        delta.accept(new IncrementalBuildVisitor());
    }

    /**
     * 
     * ?.
     * 
     * @param monitor .
     * @throws CoreException ?.
     */
    private void fullBuild(IProgressMonitor monitor) throws CoreException {

        Parser parser = JsParserFactory.createParser(getProject());
        try {
            parser.parse(monitor);
        } catch (InterruptedException e) {
            // ignore
        }

    }

}