FolderListing.java

/*
 * Copyright 2012 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.kie.workbench.common.screens.explorer.model;

import java.util.List;

import org.jboss.errai.common.client.api.annotations.Portable;

import static org.uberfire.commons.validation.PortablePreconditions.*;

/**
 * The contents of a folder
 */
@Portable
public class FolderListing {

    private FolderItem item;
    private List<FolderItem> content;
    private List<FolderItem> segments;

    public FolderListing() {
        //For Errai-marshalling
    }

    public FolderListing( final FolderItem item,
                          final List<FolderItem> content,
                          final List<FolderItem> segments ) {
        this.item = item;
        this.content = checkNotNull( "content", content );
        this.segments = checkNotNull( "segments", segments );
    }

    public FolderItem getItem() {
        return item;
    }

    public List<FolderItem> getContent() {
        return content;
    }

    public List<FolderItem> getSegments() {
        return segments;
    }

    @Override
    public boolean equals( Object o ) {
        if ( this == o ) {
            return true;
        }
        if ( !( o instanceof FolderListing ) ) {
            return false;
        }

        FolderListing that = (FolderListing) o;

        if ( content != null ? !content.equals( that.content ) : that.content != null ) {
            return false;
        }
        if ( item != null ? !item.equals( that.item ) : that.item != null ) {
            return false;
        }
        if ( segments != null ? !segments.equals( that.segments ) : that.segments != null ) {
            return false;
        }

        return true;
    }

    @Override
    public int hashCode() {
        int result = item != null ? item.hashCode() : 0;
        result = ~~result;
        result = 31 * result + ( content != null ? content.hashCode() : 0 );
        result = ~~result;
        result = 31 * result + ( segments != null ? segments.hashCode() : 0 );
        result = ~~result;
        return result;
    }
}