src/plugins/logger.collector/src/com/motorola/studio/android/logger/collector/util/LogCollectorExtensionLoader.java


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/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * 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.motorola.studio.android.logger.collector.util;

import java.util.ArrayList;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.Platform;

import com.motorola.studio.android.logger.collector.core.ILogFile;

/**
 * This class is responsible to load the log collector contributor
 * extension point and read all needed information
 */
public class LogCollectorExtensionLoader
{
    private static final String LOGGER_EXTENSION_POINT_ID =
            "com.motorola.studio.android.logger.collector.log";

    private static final String LOG_FILE_ELEMENT = "logContribution";

    private static final String LOG_FILE_ATTRIBUTE = "logFileImpl";

    public static ArrayList<ILogFile> getLogFiles()
    {
        ArrayList<ILogFile> logs = new ArrayList<ILogFile>();
        IExtensionPoint point =
                Platform.getExtensionRegistry().getExtensionPoint(LOGGER_EXTENSION_POINT_ID);
        if (point != null)
        {
            IExtension[] extensions = point.getExtensions();

            for (IExtension ext : extensions)
            {
                for (IConfigurationElement element : ext.getConfigurationElements())
                {
                    if (element.getName().equals(LOG_FILE_ELEMENT))
                    {
                        try
                        {
                            Object o = element.createExecutableExtension(LOG_FILE_ATTRIBUTE);
                            if (o instanceof ILogFile)
                            {
                                logs.add((ILogFile) o);
                            }
                        }
                        catch (CoreException e)
                        {
                            //do nothing
                        }
                    }
                }
            }

        }

        return logs;
    }
}