com.javadude.dependencies.actions.DOTReportAction.java Source code

Introduction

Here is the source code for com.javadude.dependencies.actions.DOTReportAction.java

Source

/*******************************************************************************
 * Copyright (c) 2008 Scott Stanchfield
 * 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 com.javadude.dependencies.actions;

import java.io.FileWriter;
import java.io.IOException;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;

import com.javadude.dependencies.DependenciesPlugin;

public class DOTReportAction implements IWorkbenchWindowActionDelegate {
    public DOTReportAction() {
        // do nothing
    }

    private String fixName(String name) {
        return name.replace('.', '_');
    }

    public void run(IAction action) {
        // create DOT definition
        String NL = System.getProperty("line.separator");
        String dot = "digraph dependencies {" + NL;
        try {
            for (IProject project : ResourcesPlugin.getWorkspace().getRoot().getProjects()) {
                if (project.isOpen() && project.hasNature(JavaCore.NATURE_ID)) {
                    IJavaProject javaProject = JavaCore.create(project);
                    for (IClasspathEntry entry : javaProject.getRawClasspath()) {
                        if (entry.getEntryKind() == IClasspathEntry.CPE_PROJECT) {
                            dot += '\t' + fixName(project.getName()) + " -> "
                                    + fixName(entry.getPath().lastSegment()) + ';' + NL;
                        }
                    }
                }
            }
            dot += "}";
            try {
                FileWriter fileWriter = new FileWriter("/dependencies.dot");
                fileWriter.write(dot);
                fileWriter.close();
            } catch (IOException e) {
                DependenciesPlugin.error(111, "Error writing dot file /dependencies.dot", e);
            }
        } catch (CoreException e) {
            DependenciesPlugin.error(222, "Error determining dependencies", e);
        }
    }

    public void selectionChanged(IAction action, ISelection selection) {
        // do nothing
    }

    public void dispose() {
        // do nothing
    }

    public void init(IWorkbenchWindow window) {
        // do nothing
    }
}