org.infinitest.eclipse.workspace.JavaProjectSet.java Source code

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Here is the source code for org.infinitest.eclipse.workspace.JavaProjectSet.java

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/*
 * Infinitest, a Continuous Test Runner.
 *
 * Copyright (C) 2010-2013
 * "Ben Rady" <benrady@gmail.com>,
 * "Rod Coffin" <rfciii@gmail.com>,
 * "Ryan Breidenbach" <ryan.breidenbach@gmail.com>
 * "David Gageot" <david@gageot.net>, et al.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package org.infinitest.eclipse.workspace;

import static com.google.common.collect.Iterables.*;
import static com.google.common.collect.Lists.*;

import java.io.*;
import java.util.*;

import org.eclipse.core.runtime.*;
import org.eclipse.jdt.core.*;
import org.springframework.beans.factory.annotation.*;
import org.springframework.stereotype.*;

import com.google.common.base.*;
import com.google.common.collect.*;

@Component
class JavaProjectSet implements ProjectSet {
    private final ResourceFinder finder;

    @Autowired
    public JavaProjectSet(ResourceFinder finder) {
        this.finder = finder;
    }

    @Override
    public ProjectFacade findProject(IPath path) {
        for (IJavaProject project : openProjects()) {
            if (project.getPath().equals(path)) {
                return createProjectFacade(project);
            }
        }

        return null;
    }

    protected ProjectFacade createProjectFacade(IJavaProject project) {
        return new ProjectFacade(project);
    }

    File workingDirectory(IJavaProject project) throws JavaModelException {
        return project.getCorrespondingResource().getLocation().toFile();
    }

    @Override
    public List<ProjectFacade> projects() {
        List<ProjectFacade> projects = newArrayList();
        for (IJavaProject project : openProjects()) {
            projects.add(new ProjectFacade(project));
        }
        return projects;
    }

    @Override
    public boolean hasErrors() throws CoreException {
        for (ProjectFacade project : projects()) {
            if (project.hasErrors()) {
                return true;
            }
        }
        return false;
    }

    private Iterable<IJavaProject> openProjects() {
        return filter(finder.getJavaProjects(), new Predicate<IJavaProject>() {
            @Override
            public boolean apply(IJavaProject input) {
                return input.isOpen();
            }
        });
    }

    /**
     * Return a list of Files that represent of all of the project's output
     * directories. This includes the project's default output directory, as
     * well as any custom output directories. All Files are absolute.
     * 
     * @throws JavaModelException
     */
    @Override
    public List<File> outputDirectories(EclipseProject project) throws JavaModelException {
        // I suspect there's something, somewhere in the Eclipse SDK that will
        // find this for us.
        List<File> outputDirectories = customOutputDirectoriesFor(project);

        outputDirectories.add(absoluteFile(project.getDefaultOutputLocation()));

        return outputDirectories;
    }

    private List<File> customOutputDirectoriesFor(EclipseProject project) {
        List<File> outputDirectories = Lists.newArrayList();
        for (IClasspathEntry each : project.getClasspathEntries()) {
            IPath outputLocation = each.getOutputLocation();
            if (outputLocation != null) {
                File file = absoluteFile(outputLocation);
                outputDirectories.add(file);
            }
        }
        return outputDirectories;
    }

    private File absoluteFile(IPath path) {
        File file = new File(path.toPortableString());
        if (file.exists()) {
            return file;
        }

        file = finder.findFileFor(path);
        if (file != null) {
            return file;
        }

        String jarPath = relativePath(path);

        Path projectPath = new Path("/" + path.segment(0));
        ProjectFacade project = findProject(projectPath);
        return new File(project.workingDirectory(), jarPath);
    }

    private String relativePath(IPath path) {
        return path.removeFirstSegments(1).toPortableString();
    }
}