com.htmlhifive.tools.codeassist.ui.config.CodeAssistConfig.java Source code

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Here is the source code for com.htmlhifive.tools.codeassist.ui.config.CodeAssistConfig.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.ui.config;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

import org.apache.commons.io.IOUtils;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.ui.PlatformUI;

import com.htmlhifive.tools.codeassist.core.logger.H5CodeAssistPluginLogger;
import com.htmlhifive.tools.codeassist.core.logger.H5CodeAssistPluginLoggerFactory;
import com.htmlhifive.tools.codeassist.core.messages.Messages;
import com.htmlhifive.tools.codeassist.ui.H5CodeAssistUIPlugin;
import com.htmlhifive.tools.codeassist.ui.messages.UIMessages;
import com.htmlhifive.tools.codeassist.ui.view.bean.OptionConfigureBean;

/**
 * ???.
 * 
 * @author NS Solutions Corporation
 * 
 */
public class CodeAssistConfig {

    /**
     * ?.
     */
    private static final String CONFIG_KEY_PREFIX = "hi5.tool.codeassist.";

    /**
     * .
     */
    private static final String KEY_OPTION_PATH = CONFIG_KEY_PREFIX + "option";

    /**
     * .
     */
    private static H5CodeAssistPluginLogger logger = H5CodeAssistPluginLoggerFactory
            .getLogger(CodeAssistConfig.class);

    /**
     * .
     */
    private IFile configProp;

    /**
     * .
     */
    private final OptionConfigureBean configBean;

    /**
     * .
     * 
     * @param file .
     */
    CodeAssistConfig(IFile file) {

        configBean = new OptionConfigureBean();
        configProp = file;
        load();
    }

    /**
     * ?.
     */
    void load() {

        try {
            configProp.refreshLocal(IResource.DEPTH_ZERO, null);
            if (configProp.exists()) {
                Properties properties = new Properties();
                properties.load(configProp.getContents());
                configBean.setOptionFilePath(properties.getProperty(KEY_OPTION_PATH, ""));
            }
        } catch (CoreException e) {
            logger.log(Messages.EM0001, e);
        } catch (IOException e) {
            logger.log(Messages.EM0001, e);
        }

    }

    /**
     * ??.
     * 
     * @return .
     */
    public OptionConfigureBean getConfigBean() {

        return configBean;
    }

    /**
     * ???.
     * 
     * @return ????????
     */
    public boolean saveConfig() {

        Properties properties = new Properties();
        properties.setProperty(KEY_OPTION_PATH, configBean.getOptionFilePath());
        ByteArrayOutputStream output = new ByteArrayOutputStream();
        InputStream input = null;
        try {
            properties.store(output, "");
            output.flush();
            input = new ByteArrayInputStream(output.toByteArray());
            configProp.refreshLocal(IResource.DEPTH_ZERO, null);
            if (configProp.exists()) {
                configProp.setContents(input, false, false, null);
            } else {
                configProp.create(input, false, null);
            }
            return true;
        } catch (CoreException e) {
            logger.log(UIMessages.UIEM0002, e);
            ErrorDialog.openError(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
                    UIMessages.UIDT0002.getText(), UIMessages.UIEM0002.getText(), e.getStatus());
        } catch (IOException e) {
            logger.log(UIMessages.UIEM0002, e);
            ErrorDialog.openError(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
                    UIMessages.UIDT0002.getText(), UIMessages.UIEM0002.getText(),
                    new Status(IStatus.ERROR, H5CodeAssistUIPlugin.PLUGIN_ID, e.getMessage()));
        } finally {
            IOUtils.closeQuietly(input);
            IOUtils.closeQuietly(output);
        }
        return false;
    }
}