org.eclipse.virgo.ide.ui.editors.PdeCompatibilityUtil.java Source code

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Here is the source code for org.eclipse.virgo.ide.ui.editors.PdeCompatibilityUtil.java

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/*******************************************************************************
 * Copyright (c) 2009 SpringSource, a divison of VMware, Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     SpringSource, a division of VMware, Inc. - initial API and implementation
 *******************************************************************************/
package org.eclipse.virgo.ide.ui.editors;

import java.io.File;
import java.lang.reflect.Constructor;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IURIEditorInput;
import org.eclipse.virgo.ide.ui.ServerIdeUiPlugin;
import org.springframework.ide.eclipse.core.SpringCore;

/**
 * @author Steffen Pingel
 */
class PdeCompatibilityUtil {

    private static boolean isEclipse34 = true;

    public static boolean isSystemFileEditorInput(IEditorInput input) {
        if (isEclipse34) {
            Class<?> systemFileEditorInputClass;
            try {
                systemFileEditorInputClass = Class
                        .forName("org.eclipse.pde.internal.ui.editor.SystemFileEditorInput");
                return systemFileEditorInputClass.isInstance(input);
            } catch (ClassNotFoundException e) {
                isEclipse34 = false;
            } catch (Throwable e) {
                SpringCore.log(new Status(IStatus.ERROR, ServerIdeUiPlugin.PLUGIN_ID,
                        "Failed to check fo instance of SystemFileEditorInput"));
                isEclipse34 = false;
            }
        }
        return false;
    }

    public static IEditorInput createSystemFileEditorInput(IURIEditorInput input) {
        return createSystemFileEditorInput(new File(input.getURI()));
    }

    public static IEditorInput createSystemFileEditorInput(File file) {
        if (isEclipse34) {
            Class<?> systemFileEditorInputClass;
            try {
                systemFileEditorInputClass = Class
                        .forName("org.eclipse.pde.internal.ui.editor.SystemFileEditorInput");
                Constructor<?> constructor = systemFileEditorInputClass.getConstructor(File.class);
                return (IEditorInput) constructor.newInstance(file);
            } catch (ClassNotFoundException e) {
                isEclipse34 = false;
            } catch (Throwable e) {
                SpringCore.log(new Status(IStatus.ERROR, ServerIdeUiPlugin.PLUGIN_ID,
                        "Failed to create instance of SystemFileEditorInput"));
                isEclipse34 = false;
            }
        }
        return null;
    }

}