| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.openjpa.lib.conf; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.commons.lang.StringUtils; |
| import org.apache.openjpa.lib.util.Localizer; |
| import org.apache.openjpa.lib.util.ParseException; |
| |
| import serp.util.Strings; |
| |
| /** |
| * A comma-separated list of string values. |
| * |
| * @author Abe White |
| */ |
| public class StringListValue extends Value { |
| |
| public static final String[] EMPTY = new String[0]; |
| private static final Localizer s_loc = Localizer.forPackage |
| (StringListValue.class); |
| |
| private String[] _values = EMPTY; |
| |
| public StringListValue(String prop) { |
| super(prop); |
| } |
| |
| /** |
| * The internal value. |
| */ |
| public void set(String[] values) { |
| assertChangeable(); |
| _values = (values == null) ? EMPTY : values; |
| valueChanged(); |
| } |
| |
| /** |
| * The internal value. |
| */ |
| public String[] get() { |
| return _values; |
| } |
| |
| public Class<String []> getValueType() { |
| return String[].class; |
| } |
| |
| /** |
| * Unalias the value list. This method defers to super.unalias() |
| * UNLESS the string passed is a list of values for a property that |
| * has aliases. |
| */ |
| public String unalias(String str) { |
| |
| // defer to super.unalias |
| String[] aliases = getAliases(); |
| if (aliases.length <= 0 || str == null) |
| return super.unalias(str); |
| str = str.trim(); |
| if (str.length() <= 0) |
| return super.unalias(str); |
| |
| // snag this case early as it only causes problems |
| if (str.equals(",")) |
| throw new ParseException(s_loc.get("invalid-list-config", |
| getProperty(), str, getAliasList())); |
| |
| // unalias the list and concatenate the list of |
| // canonical values. Also, catch any bad aliases. |
| boolean found; |
| String iString; |
| StringBuilder retv = new StringBuilder(); |
| String[] vals = str.split(",", 0); |
| |
| for (int i = 0; i < vals.length; i++) { |
| iString = vals[i] = vals[i].trim(); |
| |
| found = false; |
| if (i > 0) |
| retv.append(','); |
| |
| for (int x = 0; x < aliases.length; x += 2) |
| if (StringUtils.equals(iString, aliases[x]) |
| || StringUtils.equals(iString, aliases[x + 1])) { |
| retv.append(aliases[x + 1]); |
| found = true; |
| break; |
| } |
| |
| // If the alias list is not comprehensive, add any unknown |
| // values back onto the list |
| if (!found) { |
| if (isAliasListComprehensive()) |
| throw new ParseException(s_loc.get("invalid-list-config", |
| getProperty(), str, getAliasList())); |
| else |
| retv.append(iString); |
| } |
| } |
| return retv.toString(); |
| } |
| |
| protected String getInternalString() { |
| return Strings.join(_values, ", "); |
| } |
| |
| protected void setInternalString(String val) { |
| String[] vals = Strings.split(val, ",", 0); |
| if (vals != null) { |
| for (int i = 0; i < vals.length; i++) |
| vals[i] = vals[i].trim(); |
| } |
| |
| set(vals); |
| } |
| |
| protected void setInternalObject(Object obj) { |
| set((String[]) obj); |
| } |
| |
| protected List<String> getAliasList() { |
| return Arrays.asList(getAliases()); |
| } |
| |
| } |
| |