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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;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import org.eclipse.ui.IStartup;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.internal.WorkbenchPlugin;
import org.eclipse.ui.internal.registry.EditorRegistry;
import org.eclipse.ui.internal.registry.FileEditorMapping;

/**
 * Associates Proguard editor to proguard.cfg file on studio start-up.
 */
@SuppressWarnings("restriction")
public class AssociateProguardEditor implements IStartup
{
    // The plug-in ID
    public static final String EDITOR_ID = "net.certiv.proguarddt.editor.ProGuardDTEditor"; //$NON-NLS-1$

    public void earlyStartup()
    {
        PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable()
        {

            public void run()
            {
                try
                {
                    if (!System.getProperty("java.version").startsWith("1.5"))
                    {
                        //code valid for Java 1.6 or higher 
                        EditorRegistry registry =
                                (EditorRegistry) WorkbenchPlugin.getDefault().getEditorRegistry(); // cast to allow save to be called
                        FileEditorMapping[] mappings =
                                (FileEditorMapping[]) registry.getFileEditorMappings();
                        List<FileEditorMapping> listMappings = new ArrayList<FileEditorMapping>();
                        listMappings.addAll(Arrays.asList(mappings));
                        listMappings.add(new FileEditorMapping("proguard", "cfg"));
                        FileEditorMapping[] newMappings =
                                listMappings.toArray(new FileEditorMapping[0]);
                        registry.setFileEditorMappings(newMappings);

                        registry.setDefaultEditor("proguard.cfg", EDITOR_ID);
                        registry.saveAssociations();
                    }
                }
                catch (Throwable t)
                {
                    //do nothing - let association for proguard.cfg file to be with text editor
                }
            }
        });
    }
}