/**
* Copyright (C) 2005 - 2011 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.include;
import java.util.ArrayList;
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.jdt.util.JavaUtils;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.compiler.IProblem;
/**
* Command which reports all unused imports for the specified file.
*
* @author Eric Van Dewoestine
*/
@Command(
name = "java_imports_unused",
options =
"REQUIRED p project ARG," +
"REQUIRED f file ARG"
)
public class UnusedImportsCommand
extends AbstractCommand
{
private static final int[] UNUSED_IMPORTS = {IProblem.UnusedImport};
/**
* {@inheritDoc}
*/
public Object execute(CommandLine commandLine)
throws Exception
{
String file = commandLine.getValue(Options.FILE_OPTION);
String projectName = commandLine.getValue(Options.PROJECT_OPTION);
ICompilationUnit src = JavaUtils.getCompilationUnit(projectName, file);
IProblem[] problems = JavaUtils.getProblems(src, UNUSED_IMPORTS);
ArrayList<String> results = new ArrayList<String>();
for(int ii = 0; ii < problems.length; ii++){
IJavaElement element = src.getElementAt(problems[ii].getSourceStart());
if(element != null){
results.add(element.getElementName());
}
}
return results;
}
}