me.gladwell.eclipse.m2e.android.configuration.PrunePlatformProvidedDependenciesClasspathLoader.java Source code

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Here is the source code for me.gladwell.eclipse.m2e.android.configuration.PrunePlatformProvidedDependenciesClasspathLoader.java

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/*******************************************************************************
 * Copyright (c) 2013, 2014 Ricardo Gladwell
 * 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
 *******************************************************************************/

package me.gladwell.eclipse.m2e.android.configuration;

import static com.google.common.collect.Iterables.filter;
import static me.gladwell.eclipse.m2e.android.Log.warn;

import java.io.FileNotFoundException;
import java.util.List;

import me.gladwell.eclipse.m2e.android.AndroidMavenPlugin;
import me.gladwell.eclipse.m2e.android.Log;
import me.gladwell.eclipse.m2e.android.project.AndroidProjectFactory;
import me.gladwell.eclipse.m2e.android.project.MavenAndroidProject;

import org.apache.maven.project.MavenProject;
import org.eclipse.core.runtime.ILog;
import org.eclipse.core.runtime.Status;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.m2e.core.project.IMavenProjectFacade;
import org.eclipse.m2e.core.project.IMavenProjectRegistry;

import com.google.common.base.Predicate;
import com.google.inject.Inject;

public class PrunePlatformProvidedDependenciesClasspathLoader extends ClasspathLoaderDecorator {

    private final IMavenProjectRegistry projectRegistry;
    private final AndroidProjectFactory<MavenAndroidProject, MavenProject> mavenProjectFactory;

    @Inject
    public PrunePlatformProvidedDependenciesClasspathLoader(ClasspathLoader loader,
            IMavenProjectRegistry projectRegistry,
            AndroidProjectFactory<MavenAndroidProject, MavenProject> mavenProjectFactory) {
        super(loader);
        this.projectRegistry = projectRegistry;
        this.mavenProjectFactory = mavenProjectFactory;
    }

    @Override
    public Iterable<IClasspathEntry> load(IJavaProject project) throws FileNotFoundException {
        final Iterable<IClasspathEntry> nonRuntimeDependencies = super.load(project);

        IMavenProjectFacade facade = projectRegistry.getProject(project.getProject());
        if (facade != null) {
            MavenProject mavenProject = facade.getMavenProject();
            if (mavenProject != null) {
                final MavenAndroidProject androidProject = mavenProjectFactory.createAndroidProject(mavenProject);
                final List<String> platformProvidedDependencies = androidProject.getPlatformProvidedDependencies();

                if (platformProvidedDependencies != null) {
                    final Iterable<IClasspathEntry> prunedNonRuntimeDependencies = filter(nonRuntimeDependencies,
                            new Predicate<IClasspathEntry>() {
                                public boolean apply(IClasspathEntry entry) {
                                    if (!platformProvidedDependencies.contains(entry.getPath().toOSString())) {
                                        return true;
                                    } else {
                                        return false;
                                    }
                                }
                            });

                    return prunedNonRuntimeDependencies;
                }
            }
        } else {
            warn("maven project not yet registered for " + project);
        }

        return nonRuntimeDependencies;
    }

}