Source Code Cross Referenced for Arg.java in  » Library » Apache-commons-validator-1.3.1-src » org » apache » commons » validator » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Library » Apache commons validator 1.3.1 src » org.apache.commons.validator 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Licensed to the Apache Software Foundation (ASF) under one or more
003:         * contributor license agreements.  See the NOTICE file distributed with
004:         * this work for additional information regarding copyright ownership.
005:         * The ASF licenses this file to You under the Apache License, Version 2.0
006:         * (the "License"); you may not use this file except in compliance with
007:         * the License.  You may obtain a copy of the License at
008:         *
009:         *      http://www.apache.org/licenses/LICENSE-2.0
010:         *
011:         * Unless required by applicable law or agreed to in writing, software
012:         * distributed under the License is distributed on an "AS IS" BASIS,
013:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         * See the License for the specific language governing permissions and
015:         * limitations under the License.
016:         */
017:        package org.apache.commons.validator;
018:
019:        import java.io.Serializable;
020:
021:        /**
022:         * <p>
023:         * A default argument or an argument for a
024:         * specific validator definition (ex: required)
025:         * can be stored to pass into a message as parameters.  This can be used in a
026:         * pluggable validator for constructing locale
027:         * sensitive messages by using <code>java.text.MessageFormat</code>
028:         * or an equivalent class.  The resource field can be
029:         * used to determine if the value stored in the argument
030:         * is a value to be retrieved from a locale sensitive
031:         * message retrieval system like <code>java.util.PropertyResourceBundle</code>.
032:         * The resource field defaults to 'true'.
033:         * </p>
034:         * <p>Instances of this class are configured with an &lt;arg&gt; xml element.</p>
035:         *
036:         * @version $Revision: 478334 $ $Date: 2006-11-22 21:31:54 +0000 (Wed, 22 Nov 2006) $
037:         */
038:        public class Arg implements  Cloneable, Serializable {
039:
040:            /**
041:             * The resource bundle name that this Arg's <code>key</code> should be
042:             * resolved in (optional).
043:             * @since Validator 1.1
044:             */
045:            protected String bundle = null;
046:
047:            /**
048:             * The key or value of the argument.
049:             */
050:            protected String key = null;
051:
052:            /**
053:             * The name dependency that this argument goes with (optional).
054:             */
055:            protected String name = null;
056:
057:            /**
058:             * This argument's position in the message. Set postion=0 to
059:             * make a replacement in this string: "some msg {0}".
060:             * @since Validator 1.1
061:             */
062:            protected int position = -1;
063:
064:            /**
065:             * Whether or not the key is a message resource (optional).  Defaults to
066:             * true.  If it is 'true', the value will try to be resolved as a message
067:             * resource.
068:             */
069:            protected boolean resource = true;
070:
071:            /**
072:             * Creates and returns a copy of this object.
073:             * @return A copy of this object.
074:             */
075:            public Object clone() {
076:                try {
077:                    return super .clone();
078:
079:                } catch (CloneNotSupportedException e) {
080:                    throw new RuntimeException(e.toString());
081:                }
082:            }
083:
084:            /**
085:             * Returns the resource bundle name.
086:             * @return the bundle name.
087:             * @since Validator 1.1
088:             */
089:            public String getBundle() {
090:                return this .bundle;
091:            }
092:
093:            /**
094:             * Gets the key/value.
095:             * @return the key value.
096:             */
097:            public String getKey() {
098:                return this .key;
099:            }
100:
101:            /**
102:             * Gets the name of the dependency.
103:             * @return the name of the dependency.
104:             */
105:            public String getName() {
106:                return this .name;
107:            }
108:
109:            /**
110:             * Argument's replacement position.
111:             * @return This argument's replacement position.
112:             */
113:            public int getPosition() {
114:                return this .position;
115:            }
116:
117:            /**
118:             * Tests whether or not the key is a resource key or literal value.
119:             * @return <code>true</code> if key is a resource key.
120:             */
121:            public boolean isResource() {
122:                return this .resource;
123:            }
124:
125:            /**
126:             * Sets the resource bundle name.
127:             * @param bundle The new bundle name.
128:             * @since Validator 1.1
129:             */
130:            public void setBundle(String bundle) {
131:                this .bundle = bundle;
132:            }
133:
134:            /**
135:             * Sets the key/value.
136:             * @param key They to access the argument.
137:             */
138:            public void setKey(String key) {
139:                this .key = key;
140:            }
141:
142:            /**
143:             * Sets the name of the dependency.
144:             * @param name the name of the dependency.
145:             */
146:            public void setName(String name) {
147:                this .name = name;
148:            }
149:
150:            /**
151:             * Set this argument's replacement position.
152:             * @param position set this argument's replacement position.
153:             */
154:            public void setPosition(int position) {
155:                this .position = position;
156:            }
157:
158:            /**
159:             * Sets whether or not the key is a resource.
160:             * @param resource If true indicates the key is a resource.
161:             */
162:            public void setResource(boolean resource) {
163:                this .resource = resource;
164:            }
165:
166:            /**
167:             * Returns a string representation of the object.
168:             * @return a string representation of the object.
169:             */
170:            public String toString() {
171:                StringBuffer results = new StringBuffer();
172:
173:                results.append("Arg: name=");
174:                results.append(name);
175:                results.append("  key=");
176:                results.append(key);
177:                results.append("  position=");
178:                results.append(position);
179:                results.append("  bundle=");
180:                results.append(bundle);
181:                results.append("  resource=");
182:                results.append(resource);
183:                results.append("\n");
184:
185:                return results.toString();
186:            }
187:
188:        }
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