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New task <waitfor> that waits until a given condition gets true or a 

timeout occurs.

Submitted by:	Denis Hennessy <denis@network365.com>

As a side effect, <condition> gains two new conditions.  This also
means we now have a way to check whether we are on a networked system
and run/omit testcases that require network to be established based on
such a condition.


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@270050 13f79535-47bb-0310-9956-ffa450edef68
master
Stefan Bodewig 23 years ago
parent
e8e51a71bc
commit
5021163e5c
10 changed files with 660 additions and 126 deletions
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  1. +2
    -2
      WHATSNEW
  2. +2
    -124
      docs/manual/CoreTasks/condition.html
  3. +181
    -0
      docs/manual/CoreTasks/conditions.html
  4. +79
    -0
      docs/manual/CoreTasks/waitfor.html
  5. +2
    -0
      docs/manual/coretasklist.html
  6. +174
    -0
      src/main/org/apache/tools/ant/taskdefs/WaitFor.java
  7. +14
    -0
      src/main/org/apache/tools/ant/taskdefs/condition/ConditionBase.java
  8. +107
    -0
      src/main/org/apache/tools/ant/taskdefs/condition/Http.java
  9. +98
    -0
      src/main/org/apache/tools/ant/taskdefs/condition/Socket.java
  10. +1
    -0
      src/main/org/apache/tools/ant/taskdefs/defaults.properties

+ 2
- 2
WHATSNEW View File

@@ -63,7 +63,7 @@ Other changes:
* Added support for specifying CVS_RSH in the <cvs/> task

* New tasks bzip2 and bunzip2 to pack and unpack files using the
BZip2 alogrithm, replaceregexp, checksum, translate
BZip2 alogrithm, replaceregexp, checksum, translate, waitfor

* The attributes zipfile, jarfile, warfile and earfile (from the Zip,
Jar, War and Ear tasks) have been deprecated and superseded by a
@@ -72,7 +72,7 @@ Other changes:
* Added a new condition <isset> that test for the existence of a
property to the condition task.

* Added a new condition <checksum>.
* Added a new conditions <checksum>, <http>, <socket>.

* Ant's testcases require JUnit 3.7 or above as they now use the new
assertTrue method instead of assert.


+ 2
- 124
docs/manual/CoreTasks/condition.html View File

@@ -38,130 +38,8 @@ you must specify exactly one condition.</p>
</tr>
</table>
<h3><a name="nested">Parameters specified as nested elements</a></h3>
<p>All conditions to test are specified as nested elements.</p>

<h4>not</h4>
<p>The <code>&lt;not&gt;</code> element expects exactly one other
condition to be nested into this element, negating the result of the
condition. It doesn't have any attributes and accepts all nested
elements of the condition task as nested elements as well.</p>

<h4>and</h4> <p>
The <code>&lt;and&gt;</code> element doesn't have any attributes and
accepts an arbitrary number of conditions as nested elements - all
nested elements of the condition task are supported. This condition
is true if all of its contained conditions are, conditions will be
evaluated in the order they have been specified in the build file.</p>
<p>The <code>&lt;and&gt;</code> condition has the same shortcut
semantics as the Java &amp;&amp; operator, as soon as one of the
nested conditions is false, no other condition will be evaluated.</p>

<h4>or</h4> <p>
The <code>&lt;or&gt;</code> element doesn't have any attributes and
accepts an arbitrary number of conditions as nested elements - all
nested elements of the condition task are supported. This condition
is true if at least one of its contained conditions is, conditions
will be evaluated in the order they have been specified in the build
file.</p> <p>The <code>&lt;or&gt;</code> condition has the same
shortcut semantics as the Java || operator, as soon as one of the
nested conditions is true, no other condition will be evaluated.</p>

<h4>available</h4>
<p>This condition is identical to the <a
href="available.html">Available</a> task, all attributes and nested
elements of that task are supported, the property and value attributes
are redundant and will be ignored.</p>

<h4>uptodate</h4>
<p>This condition is identical to the <a
href="uptodate.html">Uptodate</a> task, all attributes and nested
elements of that task are supported, the property and value attributes
are redundant and will be ignored.</p>

<h4>os</h4>
<p>Test whether the current operating system is of a given type. Each
defined attribute is tested and the result is true only if <i>all</i>
the tests succeed.
</p>
<table border="1" cellpadding="2" cellspacing="0">
<tr>
<td valign="top"><b>Attribute</b></td>
<td valign="top"><b>Description</b></td>
<td align="center" valign="top"><b>Required</b></td>
</tr>
<tr>
<td valign="top">family</td>
<td valign="top">The name of the operating system family to expect.</td>
<td valign="top" align="center">No</td>
</tr>
<tr>
<td valign="top">name</td>
<td valign="top">The name of the operating system to expect.</td>
<td valign="top" align="center">No</td>
</tr>
<tr>
<td valign="top">arch</td>
<td valign="top">The architecture of the operating system to expect.</td>
<td valign="top" align="center">No</td>
</tr>
<tr>
<td valign="top">version</td>
<td valign="top">The version of the operating system to expect.</td>
<td valign="top" align="center">No</td>
</tr>
</table>
<p>Supported values for the family attribute are:
<ul>
<li>windows (for all versions of Microsoft Windows)</li>
<li>dos (for all Microsoft DOS based operating systems including
Microsoft Windows and OS/2)</li>
<li>mac (for all Apple Macintosh systems)</li>
<li>unix (for all Unix and Unix-like operating systems)</li>
<li>netware (for Novell NetWare)</li>
<li>os/2 (for OS/2)</li>
</ul>

<h4>equals</h4>
<p>Tests whether the two given Strings are identical</p>
<table border="1" cellpadding="2" cellspacing="0">
<tr>
<td valign="top"><b>Attribute</b></td>
<td valign="top"><b>Description</b></td>
<td align="center" valign="top"><b>Required</b></td>
</tr>
<tr>
<td valign="top">arg1</td>
<td valign="top">First string to test.</td>
<td valign="top" align="center">Yes</td>
</tr>
<tr>
<td valign="top">arg2</td>
<td valign="top">Second string to test.</td>
<td valign="top" align="center">Yes</td>
</tr>
</table>

<h4>isset</h4>
<p>Test whether a given property has been set in this project.</p>
<table border="1" cellpadding="2" cellspacing="0">
<tr>
<td valign="top"><b>Attribute</b></td>
<td valign="top"><b>Description</b></td>
<td align="center" valign="top"><b>Required</b></td>
</tr>
<tr>
<td valign="top">property</td>
<td valign="top">The name of the property to test.</td>
<td valign="top" align="center">Yes</td>
</tr>
</table>

<h4>checksum</h4>

<p>This condition is identical to the <a
href="checksum.html">Checksum</a> task, all attributes and nested
elements of that task are supported, the property and overwrite
attributes are redundant and will be ignored.</p>
<p>All conditions to test are specified as nested elements, for a
complete list see <a href="conditions.html">here</a>.</p>

<h3>Examples</h3>
<pre>


+ 181
- 0
docs/manual/CoreTasks/conditions.html View File

@@ -0,0 +1,181 @@
<html>

<head>
<meta http-equiv="Content-Language" content="en-us">
<title>Apache Ant User Manual</title>
</head>

<body>

<h2><a name="Conditions">Conditions</a></h2>

<p>These are the nested elements that can be used as conditions in the
<a href="condition.html"><code>&lt;condition&gt;</code></a> and
<a href="waitfor.html"><code>&lt;waitfor&gt;</code></a> tasks.</p>

<h4>not</h4>
<p>The <code>&lt;not&gt;</code> element expects exactly one other
condition to be nested into this element, negating the result of the
condition. It doesn't have any attributes and accepts all nested
elements of the condition task as nested elements as well.</p>

<h4>and</h4> <p>
The <code>&lt;and&gt;</code> element doesn't have any attributes and
accepts an arbitrary number of conditions as nested elements - all
nested elements of the condition task are supported. This condition
is true if all of its contained conditions are, conditions will be
evaluated in the order they have been specified in the build file.</p>
<p>The <code>&lt;and&gt;</code> condition has the same shortcut
semantics as the Java &amp;&amp; operator, as soon as one of the
nested conditions is false, no other condition will be evaluated.</p>

<h4>or</h4> <p>
The <code>&lt;or&gt;</code> element doesn't have any attributes and
accepts an arbitrary number of conditions as nested elements - all
nested elements of the condition task are supported. This condition
is true if at least one of its contained conditions is, conditions
will be evaluated in the order they have been specified in the build
file.</p> <p>The <code>&lt;or&gt;</code> condition has the same
shortcut semantics as the Java || operator, as soon as one of the
nested conditions is true, no other condition will be evaluated.</p>

<h4>available</h4>
<p>This condition is identical to the <a
href="available.html">Available</a> task, all attributes and nested
elements of that task are supported, the property and value attributes
are redundant and will be ignored.</p>

<h4>uptodate</h4>
<p>This condition is identical to the <a
href="uptodate.html">Uptodate</a> task, all attributes and nested
elements of that task are supported, the property and value attributes
are redundant and will be ignored.</p>

<h4>os</h4>
<p>Test whether the current operating system is of a given type. Each
defined attribute is tested and the result is true only if <i>all</i>
the tests succeed.
</p>
<table border="1" cellpadding="2" cellspacing="0">
<tr>
<td valign="top"><b>Attribute</b></td>
<td valign="top"><b>Description</b></td>
<td align="center" valign="top"><b>Required</b></td>
</tr>
<tr>
<td valign="top">family</td>
<td valign="top">The name of the operating system family to expect.</td>
<td valign="top" align="center">No</td>
</tr>
<tr>
<td valign="top">name</td>
<td valign="top">The name of the operating system to expect.</td>
<td valign="top" align="center">No</td>
</tr>
<tr>
<td valign="top">arch</td>
<td valign="top">The architecture of the operating system to expect.</td>
<td valign="top" align="center">No</td>
</tr>
<tr>
<td valign="top">version</td>
<td valign="top">The version of the operating system to expect.</td>
<td valign="top" align="center">No</td>
</tr>
</table>
<p>Supported values for the family attribute are:
<ul>
<li>windows (for all versions of Microsoft Windows)</li>
<li>dos (for all Microsoft DOS based operating systems including
Microsoft Windows and OS/2)</li>
<li>mac (for all Apple Macintosh systems)</li>
<li>unix (for all Unix and Unix-like operating systems)</li>
<li>netware (for Novell NetWare)</li>
<li>os/2 (for OS/2)</li>
</ul>

<h4>equals</h4>
<p>Tests whether the two given Strings are identical</p>
<table border="1" cellpadding="2" cellspacing="0">
<tr>
<td valign="top"><b>Attribute</b></td>
<td valign="top"><b>Description</b></td>
<td align="center" valign="top"><b>Required</b></td>
</tr>
<tr>
<td valign="top">arg1</td>
<td valign="top">First string to test.</td>
<td valign="top" align="center">Yes</td>
</tr>
<tr>
<td valign="top">arg2</td>
<td valign="top">Second string to test.</td>
<td valign="top" align="center">Yes</td>
</tr>
</table>

<h4>isset</h4>
<p>Test whether a given property has been set in this project.</p>
<table border="1" cellpadding="2" cellspacing="0">
<tr>
<td valign="top"><b>Attribute</b></td>
<td valign="top"><b>Description</b></td>
<td align="center" valign="top"><b>Required</b></td>
</tr>
<tr>
<td valign="top">property</td>
<td valign="top">The name of the property to test.</td>
<td valign="top" align="center">Yes</td>
</tr>
</table>

<h4>checksum</h4>
<p>This condition is identical to the <a href="checksum.html">Checksum</a>
task, all attributes and nested elements of that task are supported,
the property and overwrite attributes are redundant and will be
ignored.</p>

<h4>http</h4>
<p>The <code>http</code> condition checks for a valid response from a
web server of the specified url.</p>
<table border="1" cellpadding="2" cellspacing="0">
<tr>
<td width="12%" valign="top"><b>Attribute</b></td>
<td width="78%" valign="top"><b>Description</b></td>
<td width="10%" valign="top"><b>Required</b></td>
</tr>
<tr>
<td valign="top">url</td>
<td valign="top">The full URL of the page to request. The web server must
return a status code of &lt;500..</td>
<td align="center">Yes.</td>
</tr>
</table>

<h4>socket</h4>
<p>The <code>socket</code> condition checks for the existence of a
TCP/IP listener at the specified host and port.</p>
<table border="1" cellpadding="2" cellspacing="0">
<tr>
<td width="12%" valign="top"><b>Attribute</b></td>
<td width="78%" valign="top"><b>Description</b></td>
<td width="10%" valign="top"><b>Required</b></td>
</tr>
<tr>
<td valign="top">server</td>
<td valign="top">The DNS name or IP address of the server.</td>
<td align="center">Yes.</td>
</tr>
<tr>
<td valign="top">port</td>
<td valign="top">The port number to connect to.</td>
<td align="center">Yes.</td>
</tr>
</table>

<hr>
<p align="center">Copyright &copy; 2001 Apache Software
Foundation. All rights Reserved.</p>

</body>
</html>

+ 79
- 0
docs/manual/CoreTasks/waitfor.html View File

@@ -0,0 +1,79 @@
<html>

<head>
<meta http-equiv="Content-Language" content="en-us">
<title>Apache Ant User Manual</title>
</head>

<body>

<h2>Waitfor</h2>
<h3>Description</h3>
<p>Blocks execution until a set of specified conditions become true. This is intended
to be used with the <a href="parallel.html">parallel</a> task to
synchronize a set of processes.</p>
<p>The conditions to wait for are defined in <a href="waitfor.html#nested">nested elements</a>, if multiple conditions
are specified, then the task will wait until all conditions are true..</p>
<p></p>
<p>The time attributes (maxwait and checkevery) are specified in milliseconds
unless the values are followed by one of the following suffixes: &quot;ms&quot;,
&quot;s&quot;, &quot;m&quot;, &quot;h&quot; which cause the value to be interpreted
as milliseconds, seconds, minutes or hours.</p>
<h3>Parameters</h3>
<table border="1" cellpadding="2" cellspacing="0">
<tr>
<td valign="top"><b>Attribute</b></td>
<td valign="top"><b>Description</b></td>
<td align="center" valign="top"><b>Required</b></td>
</tr>
<tr>
<td valign="top">maxwait</td>
<td valign="top">The maximum amount of time to wait for all the required conditions
to become true before failing the task. Defaults to 5 minutes.</td>
<td valign="top" align="center">No</td>
</tr>
<tr>
<td valign="top">checkevery</td>
<td valign="top">The amount of time to wait between each test of the conditions.
Defaults to 200mS.</td>
<td valign="top" align="center">No</td>
</tr>
</table>
<h3><a name="nested">Nested Elements</a></h3>

<p>The available conditions that satisfy the
<code>&lt;waitfor&gt;</code> task are the same as those for the
<a href="condition.html"><code>&lt;condition&gt;</code></a> task. See
<a href="conditions.html">here</a> for the full list.</p>

<h3>Examples</h3>
<blockquote>
<p><code>&lt;waitfor maxwait=&quot;30s&quot;&gt;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&lt;available file="errors.log"/&gt;<br>
&lt;/waitfor&gt;</code></p>
</blockquote>
<p>waits up to 30 seconds for a file called errors.log to appear.</p>
<blockquote>
<p><code>&lt;waitfor maxwait=&quot;3m&quot; checkevery=&quot;500ms&quot;&gt;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&lt;http url=&quot;http://localhost/myapp/index.html&quot;/&gt;<br>
&lt;/waitfor&gt;</code></p>
</blockquote>
<p>waits up to 3 minutes (and checks every 500mS) for a web server on localhost
to serve up the specified URL.</p>
<blockquote>
<p><code>&lt;waitfor maxwait=&quot;10s&quot;&gt;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&lt;and&gt;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;socket server=&quot;dbserver&quot; port=&quot;1521&quot;/&gt;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;http url=&quot;http://webserver/mypage.html&quot;/&gt;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&lt;/and&gt;<br>
&lt;/waitfor&gt;</code></p>
</blockquote>
<p>waits up to 10 seconds for a server on the dbserver machine to begin listening
on port 1521 and for the http://webserver/mypage.html web page
to become available.</p>
<hr><p align="center">Copyright &copy; 2000,2001 Apache Software Foundation. All rights
Reserved.</p>

</body>
</html>


+ 2
- 0
docs/manual/coretasklist.html View File

@@ -81,6 +81,8 @@
<a href="CoreTasks/unzip.html">Unwar</a><br>
<a href="CoreTasks/unzip.html">Unzip</a><br>
<a href="CoreTasks/uptodate.html">Uptodate</a><br>
<a href="CoreTasks/waitfor.html">Waitfor</a><br>
<a href="CoreTasks/waitfor.html">Waitfor</a><br>
<a href="CoreTasks/war.html">War</a><br>
<a href="CoreTasks/zip.html">Zip</a><br>
</body>


+ 174
- 0
src/main/org/apache/tools/ant/taskdefs/WaitFor.java View File

@@ -0,0 +1,174 @@
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Ant", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/

package org.apache.tools.ant.taskdefs;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.taskdefs.condition.ConditionBase;
import org.apache.tools.ant.taskdefs.condition.Condition;

import java.io.File;
import java.io.IOException;
import java.net.*;
import java.util.Vector;

/**
* Wait for an external event to occur.
*
* Wait for an external process to start or to complete some
* task. This is useful with the <code>parallel</code> task to
* syncronize the execution of tests with server startup.
*
* The following attributes can be specified on a waitfor task:
* <ul>
* <li>maxwait - maximum length of time to wait before giving up</li>
* <li>checkevery - amount of time to sleep between each check</li>
* </ul>
*
* The time value can include a suffix of "ms", "s", "m", "h" to
* indicate that the value is in milliseconds, seconds, minutes or
* hours. The default is milliseconds.
*
* @author <a href="mailto:denis@network365.com">Denis Hennessy</a>
*/

public class WaitFor extends ConditionBase {
private long maxWaitMillis = 1000 * 60 * 3; // default max wait time
private long checkEveryMillis = 500;

/**
* Set the maximum length of time to wait
*/
public void setMaxWait(String time) {
maxWaitMillis = parseTime(time);
}

/**
* Set the time between each check
*/
public void setCheckEvery(String time) {
checkEveryMillis = parseTime(time);
}

/**
* Check repeatedly for the specified conditions until they become
* true or the timeout expires.
*/
public void execute() throws BuildException {
if (countConditions() > 1) {
throw new BuildException("You must not nest more than one condition into <waitfor>");
}
if (countConditions() < 1) {
throw new BuildException("You must nest a condition into <waitfor>");
}
Condition c = (Condition) getConditions().nextElement();

long start = System.currentTimeMillis();
long end = start + maxWaitMillis;

while (System.currentTimeMillis() < end) {
if (c.eval()) {
return;
}
try {
Thread.sleep(checkEveryMillis);
} catch (InterruptedException e) {
}
}

throw new BuildException("Task did not complete in time");
}

/**
* Parse a time in the format nnnnnxx where xx is a common time
* multiplier suffix.
*/
protected long parseTime(String value) {
int i = 0;
for (i = 0; i < value.length(); i++) {
char ch = value.charAt(i);
if (ch < '0' || ch > '9') {
break;
}
}
if (i == 0) {
throw new NumberFormatException();
}
String digits = value.substring(0, i);
return Long.parseLong(digits) * getMultiplier(value.substring(i));
}

/**
* Look for and decipher a multiplier suffix in the string.
* @param value - a string with a series of digits followed by the
* scale suffix.
*/
protected long getMultiplier(String value) {
String lowercaseValue = value.toLowerCase();
if (lowercaseValue.startsWith("ms")) {
return 1;
}
if (lowercaseValue.startsWith("s")) {
return 1000;
}
if (lowercaseValue.startsWith("m")) {
return 1000 * 60;
}
if (lowercaseValue.startsWith("h")) {
return 1000 * 60 * 60;
}
return 1;
}
}

+ 14
- 0
src/main/org/apache/tools/ant/taskdefs/condition/ConditionBase.java View File

@@ -154,6 +154,20 @@ public abstract class ConditionBase extends ProjectComponent {
*/
public void addIsSet(IsSet i) {conditions.addElement(i);}

/**
* Add an &lt;http&gt; condition.
*
* @since 1.7
*/
public void addHttp(Http h) {conditions.addElement(h);}

/**
* Add a &lt;socket&gt; condition.
*
* @since 1.7
*/
public void addSocket(Socket s) {conditions.addElement(s);}

/**
* Inner class that configures those conditions with a project
* instance that need it.


+ 107
- 0
src/main/org/apache/tools/ant/taskdefs/condition/Http.java View File

@@ -0,0 +1,107 @@
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Ant", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/

package org.apache.tools.ant.taskdefs.condition;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.ProjectComponent;

import java.io.IOException;
import java.net.MalformedURLException;
import java.net.HttpURLConnection;
import java.net.URLConnection;
import java.net.URL;

/**
* Condition to wait for a HTTP request to succeed. Its attribute(s) are:
* url - the URL of the request.
*
* @author <a href="mailto:denis@network365.com">Denis Hennessy</a>
*/
public class Http extends ProjectComponent implements Condition {
String spec = null;

public void setUrl(String url) {
spec = url;
}

public boolean eval() throws BuildException {
if (spec == null) {
throw new BuildException("No url specified in HTTP task");
}
log("Checking for " + spec, Project.MSG_VERBOSE);
try {
URL url = new URL(spec);
try {
URLConnection conn = url.openConnection();
if (conn instanceof HttpURLConnection) {
HttpURLConnection http = (HttpURLConnection) conn;
int code = http.getResponseCode();
log("Result code for " + spec + " was " + code, Project.MSG_VERBOSE);
if (code > 0 && code < 500) {
return true;
} else {
return false;
}
}
} catch (java.io.IOException e) {
return false;
}
} catch (MalformedURLException e) {
throw new BuildException("Badly formed URL: " + spec, e);
}
return true;
}
}

+ 98
- 0
src/main/org/apache/tools/ant/taskdefs/condition/Socket.java View File

@@ -0,0 +1,98 @@
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Ant", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/

package org.apache.tools.ant.taskdefs.condition;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.ProjectComponent;

import java.io.IOException;

/**
* Condition to wait for a TCP/IP socket to have a listener. Its attribute(s) are:
* server - the name of the server.
* port - the port number of the socket.
*
* @author <a href="mailto:denis@network365.com">Denis Hennessy</a>
*/
public class Socket extends ProjectComponent implements Condition {
String server = null;
int port = 0;

public void setServer(String server) {
this.server = server;
}

public void setPort(int port) {
this.port = port;
}

public boolean eval() throws BuildException {
if (server == null) {
throw new BuildException("No server specified in Socket task");
}
if (port == 0) {
throw new BuildException("No port specified in Socket task");
}
log("Checking for listener at " + server + ":" + port, Project.MSG_VERBOSE);
try {
java.net.Socket socket = new java.net.Socket(server, port);
} catch (IOException e) {
return false;
}
return true;
}

}

+ 1
- 0
src/main/org/apache/tools/ant/taskdefs/defaults.properties View File

@@ -56,6 +56,7 @@ dependset=org.apache.tools.ant.taskdefs.DependSet
bzip2=org.apache.tools.ant.taskdefs.BZip2
bunzip2=org.apache.tools.ant.taskdefs.BUnzip2
checksum=org.apache.tools.ant.taskdefs.Checksum
waitfor=org.apache.tools.ant.taskdefs.WaitFor

# optional tasks
script=org.apache.tools.ant.taskdefs.optional.Script


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