org.drools.guvnor.server.builder.pagerow.StatePageRowBuilder.java Source code

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Here is the source code for org.drools.guvnor.server.builder.pagerow.StatePageRowBuilder.java

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/*
 * Copyright 2011 JBoss Inc
 * 
 * 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.drools.guvnor.server.builder.pagerow;

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

import org.apache.commons.lang.StringUtils;
import org.drools.guvnor.client.rpc.PageRequest;
import org.drools.guvnor.client.rpc.StatePageRow;
import org.drools.repository.AssetItem;
import org.drools.guvnor.client.rpc.Path;
import org.drools.guvnor.client.rpc.PathImpl;

public class StatePageRowBuilder implements PageRowBuilder<PageRequest, Iterator<AssetItem>> {

    private PageRequest pageRequest;
    private Iterator<AssetItem> iterator;

    public List<StatePageRow> build() {
        validate();
        List<StatePageRow> rowList = new ArrayList<StatePageRow>();

        // Filtering and skipping records to the required page is handled in
        // repository.findAssetsByState() so we only need to simply copy
        while (iterator.hasNext()) {
            AssetItem assetItem = iterator.next();
            rowList.add(makeStatePageRow(assetItem));
        }
        return rowList;
    }

    private StatePageRow makeStatePageRow(AssetItem assetItem) {
        StatePageRow row = new StatePageRow();
        //REVISIT: get a Path instance from drools-repository-vfs
        Path path = new PathImpl();
        path.setUUID(assetItem.getUUID());
        row.setPath(path);
        row.setFormat(assetItem.getFormat());
        row.setName(assetItem.getName());
        row.setDescription(assetItem.getDescription());
        row.setAbbreviatedDescription(StringUtils.abbreviate(assetItem.getDescription(), 80));
        row.setLastModified(assetItem.getLastModified().getTime());
        row.setStateName(assetItem.getState().getName());
        row.setPackageName(assetItem.getModuleName());
        return row;
    }

    public void validate() {
        if (pageRequest == null) {
            throw new IllegalArgumentException("PageRequest cannot be null");
        }

        if (iterator == null) {
            throw new IllegalArgumentException("Content cannot be null");
        }

    }

    public StatePageRowBuilder withPageRequest(PageRequest pageRequest) {
        this.pageRequest = pageRequest;
        return this;
    }

    public StatePageRowBuilder withContent(Iterator<AssetItem> iterator) {
        this.iterator = iterator;
        return this;
    }
}