org.polarsys.reqcycle.traceability.builder.impl.ExtensionPointReader.java Source code

Introduction

Here is the source code for org.polarsys.reqcycle.traceability.builder.impl.ExtensionPointReader.java

Source

/*******************************************************************************
 *  Copyright (c) 2013 AtoS
 *  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:
 *    Tristan Faure (AtoS) - initial API and implementation and/or initial documentation
 *******************************************************************************/
package org.polarsys.reqcycle.traceability.builder.impl;

import java.util.Arrays;
import java.util.Set;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.Platform;
import org.polarsys.reqcycle.traceability.builder.Activator;
import org.polarsys.reqcycle.traceability.builder.IBuildingDecoration;
import org.polarsys.reqcycle.utils.inject.ZigguratInject;

import com.google.common.base.Function;
import com.google.common.base.Predicates;
import com.google.common.collect.Sets;

import static com.google.common.collect.Iterables.filter;
import static com.google.common.collect.Iterables.transform;

public class ExtensionPointReader {
    private static String EXT_ID = "newUpwardDecoration";

    public Set<IBuildingDecoration> read() {
        IConfigurationElement[] elements = Platform.getExtensionRegistry()
                .getConfigurationElementsFor(Activator.PLUGIN_ID, EXT_ID);
        return Sets.newHashSet(filter(
                transform(Arrays.asList(elements), new Function<IConfigurationElement, IBuildingDecoration>() {

                    @Override
                    public IBuildingDecoration apply(IConfigurationElement arg0) {
                        try {
                            IBuildingDecoration createExecutableExtension = (IBuildingDecoration) arg0
                                    .createExecutableExtension("decorate");
                            ZigguratInject.inject(createExecutableExtension);
                            return createExecutableExtension;
                        } catch (CoreException e) {
                            e.printStackTrace();
                        }
                        return null;
                    }

                }), Predicates.notNull()));
    }
}