BreakpointsListCommand.java

/**
 * Copyright (C) 2014  Eric Van Dewoestine
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.eclim.plugin.jdt.command.debug;

import java.util.ArrayList;
import java.util.HashSet;

import org.eclim.annotation.Command;

import org.eclim.command.CommandLine;
import org.eclim.command.Options;

import org.eclim.plugin.core.command.AbstractCommand;

import org.eclim.plugin.core.util.ProjectUtils;

import org.eclim.plugin.jdt.util.JavaUtils;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;

import org.eclipse.debug.core.DebugPlugin;

import org.eclipse.debug.core.model.IBreakpoint;
import org.eclipse.debug.core.model.ILineBreakpoint;

import org.eclipse.jdt.core.ICompilationUnit;

/**
 * Command to list breakpoints.
 *
 * If a file is given, then only the breakpoints on that file will be returned.
 * Otherwise, all breakpoints in the project workspace will be returned.
 */
@Command(
  name = "java_debug_breakpoint_list",
  options =
    "REQUIRED p project ARG," +
    "OPTIONAL f file ARG"
)
public class BreakpointsListCommand
  extends AbstractCommand
{
  @Override
  public Object execute(CommandLine commandLine)
    throws Exception
  {
    String projectName = commandLine.getValue(Options.PROJECT_OPTION);
    String fileName = commandLine.getValue(Options.FILE_OPTION);
    // currently relies on comparing absolute paths
    if (fileName != null){
      fileName = ProjectUtils.getFilePath(projectName, fileName);
    }

    HashSet<String> projectNames = new HashSet<String>();
    projectNames.add(projectName);
    IProject project = ProjectUtils.getProject(projectName);
    for (IProject ref : project.getReferencedProjects()){
      projectNames.add(ref.getName());
    }

    ArrayList<Breakpoint> results = new ArrayList<Breakpoint>();

    IBreakpoint[] breakpoints = DebugPlugin.getDefault().getBreakpointManager()
      .getBreakpoints();

    if (breakpoints != null) {
      for (IBreakpoint breakpoint : breakpoints) {
        IResource resource = breakpoint.getMarker().getResource();
        String curProject = resource.getProject().getName();
        if (!projectNames.contains(curProject)){
          continue;
        }

        String fullFileName = resource.getRawLocation().toOSString();
        ICompilationUnit cu = JavaUtils.getCompilationUnit(
            curProject, resource.getProjectRelativePath().toOSString());
        String name = JavaUtils.getFullyQualifiedName(cu);

        if (fileName == null || fileName.equals(fullFileName)) {
          results.add(new Breakpoint(
                curProject,
                fullFileName,
                name,
                ((ILineBreakpoint) breakpoint).getLineNumber(),
                breakpoint.isEnabled()));
        }
      }
    }

    return results;
  }
}