| /* |
| * Copyright 2004-2005 The Apache Software Foundation or its licensors, |
| * as applicable. |
| * |
| * 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.apache.jackrabbit.core.state.orm.ojb; |
| |
| import java.util.ArrayList; |
| import java.util.StringTokenizer; |
| |
| import org.apache.jackrabbit.core.value.InternalValue; |
| import org.apache.ojb.broker.accesslayer.conversions.ConversionException; |
| import org.apache.ojb.broker.accesslayer.conversions.FieldConversion; |
| |
| /** |
| * <p> Helper class to convert multi-valued properties into an encoded |
| * string stored in a single database column.</p> |
| */ |
| public class ValuesToStringFieldConversion |
| implements FieldConversion { |
| |
| public static final String SEPARATOR = "#$#"; |
| |
| private int type; |
| |
| public ValuesToStringFieldConversion() { |
| } |
| |
| public ValuesToStringFieldConversion(int type) { |
| this.type = type; |
| } |
| |
| public Object javaToSql(Object object) throws ConversionException { |
| InternalValue[] values = (InternalValue[]) object; |
| StringBuffer buffer = new StringBuffer(); |
| for (int i=0; i < values.length; i++) { |
| buffer.append(values[i].toString()); |
| if (i < values.length - 1) { |
| buffer.append(SEPARATOR); |
| } |
| } |
| return buffer.toString(); |
| } |
| |
| public Object sqlToJava(Object object) throws ConversionException { |
| ArrayList valueList = new ArrayList(); |
| StringTokenizer tokenizer = new StringTokenizer((String) object, SEPARATOR); |
| while (tokenizer.hasMoreTokens()) { |
| InternalValue curValue = InternalValue.valueOf(tokenizer.nextToken(), type); |
| valueList.add(curValue); |
| } |
| return (InternalValue[]) valueList.toArray(new InternalValue[valueList.size()]); |
| } |
| } |