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/*
* 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.tools.ant.taskdefs.condition;
import org.apache.tools.ant.BuildException;
import java.util.Locale;
/**
* Condition that tests the OS type.
*
* @since Ant 1.4
*/
public class Os implements Condition {
private static final String OS_NAME =
System.getProperty("os.name").toLowerCase(Locale.ENGLISH);
private static final String OS_ARCH =
System.getProperty("os.arch").toLowerCase(Locale.ENGLISH);
private static final String OS_VERSION =
System.getProperty("os.version").toLowerCase(Locale.ENGLISH);
private static final String PATH_SEP =
System.getProperty("path.separator");
/**
* OS family to look for
*/
private String family;
/**
* Name of OS
*/
private String name;
/**
* version of OS
*/
private String version;
/**
* OS architecture
*/
private String arch;
/**
* OS family that can be tested for. {@value}
*/
public static final String FAMILY_WINDOWS = "windows";
/**
* OS family that can be tested for. {@value}
*/
public static final String FAMILY_9X = "win9x";
/**
* OS family that can be tested for. {@value}
*/
public static final String FAMILY_NT = "winnt";
/**
* OS family that can be tested for. {@value}
*/
public static final String FAMILY_OS2 = "os/2";
/**
* OS family that can be tested for. {@value}
*/
public static final String FAMILY_NETWARE = "netware";
/**
* OS family that can be tested for. {@value}
*/
public static final String FAMILY_DOS = "dos";
/**
* OS family that can be tested for. {@value}
*/
public static final String FAMILY_MAC = "mac";
/**
* OS family that can be tested for. {@value}
*/
public static final String FAMILY_TANDEM = "tandem";
/**
* OS family that can be tested for. {@value}
*/
public static final String FAMILY_UNIX = "unix";
/**
* OS family that can be tested for. {@value}
*/
public static final String FAMILY_VMS = "openvms";
/**
* OS family that can be tested for. {@value}
*/
public static final String FAMILY_ZOS = "z/os";
/** OS family that can be tested for. {@value} */
public static final String FAMILY_OS400 = "os/400";
/**
* OpenJDK is reported to call MacOS X "Darwin"
* @see https://issues.apache.org/bugzilla/show_bug.cgi?id=44889
* @see https://issues.apache.org/jira/browse/HADOOP-3318
*/
private static final String DARWIN = "darwin";
/**
* Default constructor
*
*/
public Os() {
//default
}
/**
* Constructor that sets the family attribute
* @param family a String value
*/
public Os(String family) {
setFamily(family);
}
/**
* Sets the desired OS family type
*
* @param f The OS family type desired<br />
* Possible values:<br />
* <ul>
* <li>dos</li>
* <li>mac</li>
* <li>netware</li>
* <li>os/2</li>
* <li>tandem</li>
* <li>unix</li>
* <li>windows</li>
* <li>win9x</li>
* <li>z/os</li>
* <li>os/400</li>
* </ul>
*/
public void setFamily(String f) {
family = f.toLowerCase(Locale.ENGLISH);
}
/**
* Sets the desired OS name
*
* @param name The OS name
*/
public void setName(String name) {
this.name = name.toLowerCase(Locale.ENGLISH);
}
/**
* Sets the desired OS architecture
*
* @param arch The OS architecture
*/
public void setArch(String arch) {
this.arch = arch.toLowerCase(Locale.ENGLISH);
}
/**
* Sets the desired OS version
*
* @param version The OS version
*/
public void setVersion(String version) {
this.version = version.toLowerCase(Locale.ENGLISH);
}
/**
* Determines if the OS on which Ant is executing matches the type of
* that set in setFamily.
* @return true if the os matches.
* @throws BuildException if there is an error.
* @see Os#setFamily(String)
*/
@Override
public boolean eval() throws BuildException {
return isOs(family, name, arch, version);
}
/**
* Determines if the OS on which Ant is executing matches the
* given OS family.
* @param family the family to check for
* @return true if the OS matches
* @since 1.5
*/
public static boolean isFamily(String family) {
return isOs(family, null, null, null);
}
/**
* Determines if the OS on which Ant is executing matches the
* given OS name.
*
* @param name the OS name to check for
* @return true if the OS matches
* @since 1.7
*/
public static boolean isName(String name) {
return isOs(null, name, null, null);
}
/**
* Determines if the OS on which Ant is executing matches the
* given OS architecture.
*
* @param arch the OS architecture to check for
* @return true if the OS matches
* @since 1.7
*/
public static boolean isArch(String arch) {
return isOs(null, null, arch, null);
}
/**
* Determines if the OS on which Ant is executing matches the
* given OS version.
*
* @param version the OS version to check for
* @return true if the OS matches
* @since 1.7
*/
public static boolean isVersion(String version) {
return isOs(null, null, null, version);
}
/**
* Determines if the OS on which Ant is executing matches the
* given OS family, name, architecture and version
*
* @param family The OS family
* @param name The OS name
* @param arch The OS architecture
* @param version The OS version
* @return true if the OS matches
* @since 1.7
*/
public static boolean isOs(String family, String name, String arch,
String version) {
boolean retValue = false;
if (family != null || name != null || arch != null
|| version != null) {
boolean isFamily = true;
boolean isName = true;
boolean isArch = true;
boolean isVersion = true;
if (family != null) {
//windows probing logic relies on the word 'windows' in
//the OS
boolean isWindows = OS_NAME.indexOf(FAMILY_WINDOWS) > -1;
boolean is9x = false;
boolean isNT = false;
if (isWindows) {
//there are only four 9x platforms that we look for
is9x = (OS_NAME.indexOf("95") >= 0
|| OS_NAME.indexOf("98") >= 0
|| OS_NAME.indexOf("me") >= 0
//wince isn't really 9x, but crippled enough to
//be a muchness. Ant doesnt run on CE, anyway.
|| OS_NAME.indexOf("ce") >= 0);
isNT = !is9x;
}
if (family.equals(FAMILY_WINDOWS)) {
isFamily = isWindows;
} else if (family.equals(FAMILY_9X)) {
isFamily = isWindows && is9x;
} else if (family.equals(FAMILY_NT)) {
isFamily = isWindows && isNT;
} else if (family.equals(FAMILY_OS2)) {
isFamily = OS_NAME.indexOf(FAMILY_OS2) > -1;
} else if (family.equals(FAMILY_NETWARE)) {
isFamily = OS_NAME.indexOf(FAMILY_NETWARE) > -1;
} else if (family.equals(FAMILY_DOS)) {
isFamily = PATH_SEP.equals(";") && !isFamily(FAMILY_NETWARE);
} else if (family.equals(FAMILY_MAC)) {
isFamily = OS_NAME.indexOf(FAMILY_MAC) > -1
|| OS_NAME.indexOf(DARWIN) > -1;
} else if (family.equals(FAMILY_TANDEM)) {
isFamily = OS_NAME.indexOf("nonstop_kernel") > -1;
} else if (family.equals(FAMILY_UNIX)) {
isFamily = PATH_SEP.equals(":")
&& !isFamily(FAMILY_VMS)
&& (!isFamily(FAMILY_MAC) || OS_NAME.endsWith("x")
|| OS_NAME.indexOf(DARWIN) > -1);
} else if (family.equals(FAMILY_ZOS)) {
isFamily = OS_NAME.indexOf(FAMILY_ZOS) > -1
|| OS_NAME.indexOf("os/390") > -1;
} else if (family.equals(FAMILY_OS400)) {
isFamily = OS_NAME.indexOf(FAMILY_OS400) > -1;
} else if (family.equals(FAMILY_VMS)) {
isFamily = OS_NAME.indexOf(FAMILY_VMS) > -1;
} else {
throw new BuildException(
"Don\'t know how to detect os family \""
+ family + "\"");
}
}
if (name != null) {
isName = name.equals(OS_NAME);
}
if (arch != null) {
isArch = arch.equals(OS_ARCH);
}
if (version != null) {
isVersion = version.equals(OS_VERSION);
}
retValue = isFamily && isName && isArch && isVersion;
}
return retValue;
}
}
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