org.grails.ide.eclipse.explorer.elements.GrailsClasspathContainersFolder.java Source code

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Here is the source code for org.grails.ide.eclipse.explorer.elements.GrailsClasspathContainersFolder.java

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/*******************************************************************************
 * Copyright (c) 2012 Pivotal Software, Inc.
 * 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
 * https://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Pivotal Software, Inc. - initial API and implementation
 *******************************************************************************/
package org.grails.ide.eclipse.explorer.elements;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.PlatformObject;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.internal.ui.packageview.ClassPathContainer;
import org.grails.ide.eclipse.core.GrailsCoreActivator;
import org.grails.ide.eclipse.core.internal.plugins.GrailsProjectStructureTypes;

import org.grails.ide.eclipse.explorer.types.GrailsContainerType;

/**
 * @author Kris De Volder
 *
 * @since 2.8
 */
public class GrailsClasspathContainersFolder extends PlatformObject implements ILogicalFolder {

    private GrailsProjectStructureTypes type;
    private IProject parent;

    IClasspathEntry[] classpathContainer = null;

    public GrailsClasspathContainersFolder(IProject parent) {
        this.type = GrailsProjectStructureTypes.CLASSPATH_CONTAINERS;
        this.parent = parent;
    }

    public String getName() {
        return type != null ? type.getDisplayName() : null;
    }

    public Object getParent() {
        return parent;
    }

    public GrailsProjectStructureTypes getType() {
        return type;
    }

    public Object getAdapter(Class adapter) {
        if (adapter == GrailsContainerType.class) {
            return getType();
        } else {
            if (adapter == IProject.class) {
                return parent;
            }
        }
        return super.getAdapter(adapter);
    }

    public List<Object> getChildren() {
        //TODO: cache?
        IJavaProject javaProject = JavaCore.create(parent);
        try {
            IClasspathEntry[] classpath = javaProject.getRawClasspath();
            List<Object> children = new ArrayList<Object>();
            for (IClasspathEntry e : classpath) {
                if (e.getEntryKind() == IClasspathEntry.CPE_CONTAINER) {
                    children.add(new ClassPathContainer(javaProject, e));
                }
            }
            return children;
        } catch (JavaModelException e) {
            GrailsCoreActivator.log(e);
        }
        return null;
    }

    public IProject getProject() {
        return parent;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((parent == null) ? 0 : parent.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        GrailsClasspathContainersFolder other = (GrailsClasspathContainersFolder) obj;
        if (parent == null) {
            if (other.parent != null)
                return false;
        } else if (!parent.equals(other.parent))
            return false;
        return true;
    }

}