Source Code Cross Referenced for Os.java in  » Build » ANT » org » apache » tools » ant » taskdefs » condition » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Build » ANT » org.apache.tools.ant.taskdefs.condition 
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:         */
018:
019:        package org.apache.tools.ant.taskdefs.condition;
020:
021:        import java.util.Locale;
022:
023:        import org.apache.tools.ant.BuildException;
024:
025:        /**
026:         * Condition that tests the OS type.
027:         *
028:         * @since Ant 1.4
029:         */
030:        public class Os implements  Condition {
031:            private static final String OS_NAME = System.getProperty("os.name")
032:                    .toLowerCase(Locale.US);
033:            private static final String OS_ARCH = System.getProperty("os.arch")
034:                    .toLowerCase(Locale.US);
035:            private static final String OS_VERSION = System.getProperty(
036:                    "os.version").toLowerCase(Locale.US);
037:            private static final String PATH_SEP = System
038:                    .getProperty("path.separator");
039:
040:            /**
041:             * OS family to look for
042:             */
043:            private String family;
044:            /**
045:             * Name of OS
046:             */
047:            private String name;
048:            /**
049:             * version of OS
050:             */
051:            private String version;
052:            /**
053:             * OS architecture
054:             */
055:            private String arch;
056:            /**
057:             * OS family that can be tested for. {@value}
058:             */
059:            public static final String FAMILY_WINDOWS = "windows";
060:            /**
061:             * OS family that can be tested for. {@value}
062:             */
063:            public static final String FAMILY_9X = "win9x";
064:            /**
065:             * OS family that can be tested for. {@value}
066:             */
067:            public static final String FAMILY_NT = "winnt";
068:            /**
069:             * OS family that can be tested for. {@value}
070:             */
071:            public static final String FAMILY_OS2 = "os/2";
072:            /**
073:             * OS family that can be tested for. {@value}
074:             */
075:            public static final String FAMILY_NETWARE = "netware";
076:            /**
077:             * OS family that can be tested for. {@value}
078:             */
079:            public static final String FAMILY_DOS = "dos";
080:            /**
081:             * OS family that can be tested for. {@value}
082:             */
083:            public static final String FAMILY_MAC = "mac";
084:            /**
085:             * OS family that can be tested for. {@value}
086:             */
087:            public static final String FAMILY_TANDEM = "tandem";
088:            /**
089:             * OS family that can be tested for. {@value}
090:             */
091:            public static final String FAMILY_UNIX = "unix";
092:            /**
093:             * OS family that can be tested for. {@value}
094:             */
095:            public static final String FAMILY_VMS = "openvms";
096:            /**
097:             * OS family that can be tested for. {@value}
098:             */
099:            public static final String FAMILY_ZOS = "z/os";
100:            /** OS family that can be tested for. {@value} */
101:            public static final String FAMILY_OS400 = "os/400";
102:
103:            /**
104:             * Default constructor
105:             *
106:             */
107:            public Os() {
108:                //default
109:            }
110:
111:            /**
112:             * Constructor that sets the family attribute
113:             * @param family a String value
114:             */
115:            public Os(String family) {
116:                setFamily(family);
117:            }
118:
119:            /**
120:             * Sets the desired OS family type
121:             *
122:             * @param f      The OS family type desired<br />
123:             *               Possible values:<br />
124:             *               <ul>
125:             *               <li>dos</li>
126:             *               <li>mac</li>
127:             *               <li>netware</li>
128:             *               <li>os/2</li>
129:             *               <li>tandem</li>
130:             *               <li>unix</li>
131:             *               <li>windows</li>
132:             *               <li>win9x</li>
133:             *               <li>z/os</li>
134:             *               <li>os/400</li>
135:             *               </ul>
136:             */
137:            public void setFamily(String f) {
138:                family = f.toLowerCase(Locale.US);
139:            }
140:
141:            /**
142:             * Sets the desired OS name
143:             *
144:             * @param name   The OS name
145:             */
146:            public void setName(String name) {
147:                this .name = name.toLowerCase(Locale.US);
148:            }
149:
150:            /**
151:             * Sets the desired OS architecture
152:             *
153:             * @param arch   The OS architecture
154:             */
155:            public void setArch(String arch) {
156:                this .arch = arch.toLowerCase(Locale.US);
157:            }
158:
159:            /**
160:             * Sets the desired OS version
161:             *
162:             * @param version   The OS version
163:             */
164:            public void setVersion(String version) {
165:                this .version = version.toLowerCase(Locale.US);
166:            }
167:
168:            /**
169:             * Determines if the OS on which Ant is executing matches the type of
170:             * that set in setFamily.
171:             * @return true if the os matches.
172:             * @throws BuildException if there is an error.
173:             * @see Os#setFamily(String)
174:             */
175:            public boolean eval() throws BuildException {
176:                return isOs(family, name, arch, version);
177:            }
178:
179:            /**
180:             * Determines if the OS on which Ant is executing matches the
181:             * given OS family.
182:             * @param family the family to check for
183:             * @return true if the OS matches
184:             * @since 1.5
185:             */
186:            public static boolean isFamily(String family) {
187:                return isOs(family, null, null, null);
188:            }
189:
190:            /**
191:             * Determines if the OS on which Ant is executing matches the
192:             * given OS name.
193:             *
194:             * @param name the OS name to check for
195:             * @return true if the OS matches
196:             * @since 1.7
197:             */
198:            public static boolean isName(String name) {
199:                return isOs(null, name, null, null);
200:            }
201:
202:            /**
203:             * Determines if the OS on which Ant is executing matches the
204:             * given OS architecture.
205:             *
206:             * @param arch the OS architecture to check for
207:             * @return true if the OS matches
208:             * @since 1.7
209:             */
210:            public static boolean isArch(String arch) {
211:                return isOs(null, null, arch, null);
212:            }
213:
214:            /**
215:             * Determines if the OS on which Ant is executing matches the
216:             * given OS version.
217:             *
218:             * @param version the OS version to check for
219:             * @return true if the OS matches
220:             * @since 1.7
221:             */
222:            public static boolean isVersion(String version) {
223:                return isOs(null, null, null, version);
224:            }
225:
226:            /**
227:             * Determines if the OS on which Ant is executing matches the
228:             * given OS family, name, architecture and version
229:             *
230:             * @param family   The OS family
231:             * @param name   The OS name
232:             * @param arch   The OS architecture
233:             * @param version   The OS version
234:             * @return true if the OS matches
235:             * @since 1.7
236:             */
237:            public static boolean isOs(String family, String name, String arch,
238:                    String version) {
239:                boolean retValue = false;
240:
241:                if (family != null || name != null || arch != null
242:                        || version != null) {
243:
244:                    boolean isFamily = true;
245:                    boolean isName = true;
246:                    boolean isArch = true;
247:                    boolean isVersion = true;
248:
249:                    if (family != null) {
250:
251:                        //windows probing logic relies on the word 'windows' in
252:                        //the OS
253:                        boolean isWindows = OS_NAME.indexOf(FAMILY_WINDOWS) > -1;
254:                        boolean is9x = false;
255:                        boolean isNT = false;
256:                        if (isWindows) {
257:                            //there are only four 9x platforms that we look for
258:                            is9x = (OS_NAME.indexOf("95") >= 0
259:                                    || OS_NAME.indexOf("98") >= 0
260:                                    || OS_NAME.indexOf("me") >= 0
261:                            //wince isn't really 9x, but crippled enough to
262:                            //be a muchness. Ant doesnt run on CE, anyway.
263:                            || OS_NAME.indexOf("ce") >= 0);
264:                            isNT = !is9x;
265:                        }
266:                        if (family.equals(FAMILY_WINDOWS)) {
267:                            isFamily = isWindows;
268:                        } else if (family.equals(FAMILY_9X)) {
269:                            isFamily = isWindows && is9x;
270:                        } else if (family.equals(FAMILY_NT)) {
271:                            isFamily = isWindows && isNT;
272:                        } else if (family.equals(FAMILY_OS2)) {
273:                            isFamily = OS_NAME.indexOf(FAMILY_OS2) > -1;
274:                        } else if (family.equals(FAMILY_NETWARE)) {
275:                            isFamily = OS_NAME.indexOf(FAMILY_NETWARE) > -1;
276:                        } else if (family.equals(FAMILY_DOS)) {
277:                            isFamily = PATH_SEP.equals(";")
278:                                    && !isFamily(FAMILY_NETWARE);
279:                        } else if (family.equals(FAMILY_MAC)) {
280:                            isFamily = OS_NAME.indexOf(FAMILY_MAC) > -1;
281:                        } else if (family.equals(FAMILY_TANDEM)) {
282:                            isFamily = OS_NAME.indexOf("nonstop_kernel") > -1;
283:                        } else if (family.equals(FAMILY_UNIX)) {
284:                            isFamily = PATH_SEP.equals(":")
285:                                    && !isFamily(FAMILY_VMS)
286:                                    && (!isFamily(FAMILY_MAC) || OS_NAME
287:                                            .endsWith("x"));
288:                        } else if (family.equals(FAMILY_ZOS)) {
289:                            isFamily = OS_NAME.indexOf(FAMILY_ZOS) > -1
290:                                    || OS_NAME.indexOf("os/390") > -1;
291:                        } else if (family.equals(FAMILY_OS400)) {
292:                            isFamily = OS_NAME.indexOf(FAMILY_OS400) > -1;
293:                        } else if (family.equals(FAMILY_VMS)) {
294:                            isFamily = OS_NAME.indexOf(FAMILY_VMS) > -1;
295:                        } else {
296:                            throw new BuildException(
297:                                    "Don\'t know how to detect os family \""
298:                                            + family + "\"");
299:                        }
300:                    }
301:                    if (name != null) {
302:                        isName = name.equals(OS_NAME);
303:                    }
304:                    if (arch != null) {
305:                        isArch = arch.equals(OS_ARCH);
306:                    }
307:                    if (version != null) {
308:                        isVersion = version.equals(OS_VERSION);
309:                    }
310:                    retValue = isFamily && isName && isArch && isVersion;
311:                }
312:                return retValue;
313:            }
314:        }
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