/*
* 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 java.util.Map;
import org.drools.guvnor.client.rpc.PageRequest;
import org.drools.guvnor.client.rpc.PermissionsPageRow;
import org.jboss.seam.security.Identity;
public class PermissionPageRowBuilder
implements
PageRowBuilder<PageRequest, Map<String, List<String>>> {
private PageRequest pageRequest;
private Map<String, List<String>> permissions;
private Identity identity;
public List<PermissionsPageRow> build() {
validate();
int rowNumber = 0;
int rowMinNumber = pageRequest.getStartRowIndex();
int rowMaxNumber = pageRequest.getPageSize() == null ? permissions.size() : rowMinNumber + pageRequest.getPageSize();
int resultsSize = (pageRequest.getPageSize() == null ? permissions.size() : pageRequest.getPageSize());
List<PermissionsPageRow> rowList = new ArrayList<PermissionsPageRow>( resultsSize );
Iterator<String> mapItr = permissions.keySet().iterator();
while ( mapItr.hasNext() && rowNumber < rowMaxNumber ) {
String userName = mapItr.next();
if ( rowNumber >= rowMinNumber ) {
List<String> userPermissions = permissions.get( userName );
PermissionsPageRow row = new PermissionsPageRow();
row.setUserName( userName );
row.setUserPermissions( userPermissions );
rowList.add( row );
}
rowNumber++;
}
return rowList;
}
public void validate() {
if ( pageRequest == null ) {
throw new IllegalArgumentException( "PageRequest cannot be null" );
}
if ( permissions == null ) {
throw new IllegalArgumentException( "Content cannot be null" );
}
}
public PermissionPageRowBuilder withPageRequest(PageRequest pageRequest) {
this.pageRequest = pageRequest;
return this;
}
public PermissionPageRowBuilder withIdentity(Identity identity) {
this.identity = identity;
return this;
}
public PermissionPageRowBuilder withContent(Map<String, List<String>> permissions) {
this.permissions = permissions;
return this;
}
}