com.htmlhifive.tools.codeassist.core.proposal.wrapper.ProposalWrapperUtils.java Source code

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Here is the source code for com.htmlhifive.tools.codeassist.core.proposal.wrapper.ProposalWrapperUtils.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.codeassist.core.proposal.wrapper;

import java.io.BufferedReader;
import java.io.IOException;
import java.net.URL;

import org.apache.commons.io.IOUtils;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.Platform;
import org.eclipse.wst.jsdt.internal.ui.JavaScriptPlugin;
import org.osgi.framework.Bundle;

/**
 * ??.
 * 
 * @author NS Solutions Corporation
 * 
 */
@SuppressWarnings("restriction")
public final class ProposalWrapperUtils {
    /**
     * .
     */
    private ProposalWrapperUtils() {

        // nocreate
    }

    /**
     * ?CSS??.
     * 
     * @return CSS.
     */
    public static String getCSSStyles() {

        Bundle bundle = Platform.getBundle(JavaScriptPlugin.getPluginId());
        URL url = bundle.getEntry("/JavadocHoverStyleSheet.css"); //$NON-NLS-1$
        if (url != null) {
            BufferedReader reader = null;
            try {
                url = FileLocator.toFileURL(url);
                return IOUtils.toString(url.openStream());
            } catch (IOException ex) {
                JavaScriptPlugin.log(ex);
            } finally {
                IOUtils.closeQuietly(reader);
            }
        }
        return null;
    }

}