/**
* 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.hierarchy;
import java.util.ArrayList;
import java.util.List;
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.eclim.plugin.jdt.util.TypeInfo;
import org.eclim.plugin.jdt.util.TypeUtils;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IType;
/**
* Command to retrieve the hierarchy of a class or interface.
*
* @author Eric Van Dewoestine
*/
@Command(
name = "java_hierarchy",
options =
"REQUIRED p project ARG," +
"REQUIRED f file ARG," +
"REQUIRED o offset ARG," +
"REQUIRED e encoding ARG"
)
public class HierarchyCommand
extends AbstractCommand
{
/**
* {@inheritDoc}
* @see org.eclim.command.Command#execute(CommandLine)
*/
public Object execute(CommandLine commandLine)
throws Exception
{
String project = commandLine.getValue(Options.PROJECT_OPTION);
String file = commandLine.getValue(Options.FILE_OPTION);
ICompilationUnit src = JavaUtils.getCompilationUnit(project, file);
int offset = commandLine.getIntValue(Options.OFFSET_OPTION);
if (offset != -1){
offset = getOffset(commandLine);
}
IType type = TypeUtils.getType(src, offset);
HierarchyNode hierarchy = new HierarchyNode(type, createChildNodes(type));
return hierarchy;
}
private List<HierarchyNode> createChildNodes(IType type)
throws Exception
{
ArrayList<HierarchyNode> nodes = new ArrayList<HierarchyNode>();
TypeInfo parentClassInfo = TypeUtils.getSuperClass(type);
String jlo = "java.lang.Object";
if (parentClassInfo != null){
IType parentClass = parentClassInfo.getType();
if(!jlo.equals(JavaUtils.getFullyQualifiedName(parentClass))){
nodes.add(new HierarchyNode(parentClass, createChildNodes(parentClass)));
}
}
IType[] parentInterfaces = TypeUtils.getSuperInterfaces(type);
if(parentInterfaces.length != 0){
for(IType parentInterface : parentInterfaces){
nodes.add(new HierarchyNode(
parentInterface, createChildNodes(parentInterface)));
}
}
return nodes;
}
}