Browse Source

Add recurse attribute to filterset.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@277580 13f79535-47bb-0310-9956-ffa450edef68
master
Matthew Jason Benson 20 years ago
parent
commit
3e94ca9450
4 changed files with 225 additions and 187 deletions
  1. +3
    -0
      WHATSNEW
  2. +88
    -81
      docs/manual/CoreTypes/filterset.html
  3. +116
    -105
      src/main/org/apache/tools/ant/types/FilterSet.java
  4. +18
    -1
      src/testcases/org/apache/tools/ant/types/FilterSetTest.java

+ 3
- 0
WHATSNEW View File

@@ -205,6 +205,9 @@ Other changes:


* <native2ascii> now also supports Kaffe's version. * <native2ascii> now also supports Kaffe's version.


* Recursive token expansion in a filterset can now be disabled by
setting its recurse attribute to false.

Fixed bugs: Fixed bugs:
----------- -----------




+ 88
- 81
docs/manual/CoreTypes/filterset.html View File

@@ -1,19 +1,19 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">


<HTML>
<HEAD>
<TITLE>FilterSet Type</TITLE>
</HEAD>
<html>
<head>
<title>FilterSet Type</title>
</head>


<BODY>
<H2><A name="filterset">FilterSet</A></H2>
<body>
<h2><a name="filterset">FilterSet</a></h2>


<P>FilterSets are groups of filters. Filters can be defined as token-value
<p>FilterSets are groups of filters. Filters can be defined as token-value
pairs pairs
or be read in from a file. FilterSets can appear inside tasks that support this or be read in from a file. FilterSets can appear inside tasks that support this
feature or at the same level as <CODE>&lt;target&gt;</CODE> - i.e., as
feature or at the same level as <code>&lt;target&gt;</code> - i.e., as
children of children of
<CODE>&lt;project&gt;</CODE>.</P>
<code>&lt;project&gt;</code>.</p>


<p>FilterSets support the <code>id</code> and <code>refid</code> <p>FilterSets support the <code>id</code> and <code>refid</code>
attributes. You can define a FilterSet with an <code>id</code> attributes. You can define a FilterSet with an <code>id</code>
@@ -35,92 +35,99 @@ the copy operations will typically corrupt binary files. When applying filters
you should ensure that the set of files being filtered are all text files. you should ensure that the set of files being filtered are all text files.
</p> </p>


<H2>Filterset</H2>

<TABLE cellSpacing=0 cellPadding=2 border=1>
<TR>
<TD vAlign=top><B>Attribute</B></TD>
<TD vAlign=top><B>Description</B></TD>
<TD vAlign=top><B>Default</B></TD>
<TD vAlign=top align="center"><B>Required</B></TD>
</TR>
<TR>
<TD vAlign=top>begintoken</TD>
<TD vAlign=top>The string marking the beginning of a token (eg.,
<code>&#64;DATE&#64;</code>).</TD>
<TD vAlign=top>@</TD>
<TD vAlign=top align="center">No</TD>
</TR>
<TR>
<TD vAlign=top>endtoken</TD>
<TD vAlign=top>The string marking the end of a token (eg.,
<code>&#64;DATE&#64;</code>).</TD>
<TD vAlign=top>@</TD>
<TD vAlign=top align="center">No</TD>
</TR>
</TABLE>

<H2>Filter</H2>
<TABLE cellSpacing=0 cellPadding=2 border=1>
<TR>
<TD vAlign=top><B>Attribute</B></TD>
<TD vAlign=top><B>Description</B></TD>
<TD vAlign=top align="center"><B>Required</B></TD>
</TR>
<TR>
<TD vAlign=top>token</TD>
<TD vAlign=top>The token to replace (eg., <code>&#64;DATE&#64;</code>)</TD>
<TD vAlign=top align="center">Yes</TD>
</TR>
<TR>
<TD vAlign=top>value</TD>
<TD vAlign=top>The value to replace it with
(eg., <code>Thursday, April 26, 2001</code>).</TD>
<TD vAlign=top align="center">Yes</TD>
</TR>
</TABLE>

<H2>Filtersfile</H2>
<TABLE cellSpacing=0 cellPadding=2 border=1>
<TR>
<TD vAlign=top><B>Attribute</B></TD>
<TD vAlign=top><B>Description</B></TD>
<TD vAlign=top align="center"><B>Required</B></TD>
</TR>
<TR>
<TD vAlign=top>file</TD>
<TD vAlign=top>A properties file of
name-value pairs from which to load the tokens.</TD>
<TD vAlign=top align="center">Yes</TD>
</TR>
</TABLE>

<H4>Examples</H4>
<h2>Filterset</h2>

<table cellSpacing=0 cellPadding=2 border=1>
<tr>
<td vAlign=top><b>Attribute</b></td>
<td vAlign=top><b>Description</b></td>
<td vAlign=top><b>Default</b></td>
<td vAlign=top align="center"><b>Required</b></td>
</tr>
<tr>
<td vAlign=top>begintoken</td>
<td vAlign=top>The string marking the beginning of a token (eg.,
<code>&#64;DATE&#64;</code>).</td>
<td vAlign=top>@</td>
<td vAlign=top align="center">No</td>
</tr>
<tr>
<td vAlign=top>endtoken</td>
<td vAlign=top>The string marking the end of a token (eg.,
<code>&#64;DATE&#64;</code>).</td>
<td vAlign=top>@</td>
<td vAlign=top align="center">No</td>
</tr>
<tr>
<td vAlign=top>recurse</td>
<td vAlign=top>Indicates whether the replacement text of tokens
should be searched for more tokens. <b>Since Ant 1.6.3</b></td>
<td vAlign=top><i>true</i></td>
<td vAlign=top align="center">No</td>
</tr>
</table>

<h2>Filter</h2>
<table cellSpacing=0 cellPadding=2 border=1>
<tr>
<td vAlign=top><b>Attribute</b></td>
<td vAlign=top><b>Description</b></td>
<td vAlign=top align="center"><b>Required</b></td>
</tr>
<tr>
<td vAlign=top>token</td>
<td vAlign=top>The token to replace (eg., <code>&#64;DATE&#64;</code>)</td>
<td vAlign=top align="center">Yes</td>
</tr>
<tr>
<td vAlign=top>value</td>
<td vAlign=top>The value to replace it with
(eg., <code>Thursday, April 26, 2001</code>).</td>
<td vAlign=top align="center">Yes</td>
</tr>
</table>

<h2>Filtersfile</h2>
<table cellSpacing=0 cellPadding=2 border=1>
<tr>
<td vAlign=top><b>Attribute</b></td>
<td vAlign=top><b>Description</b></td>
<td vAlign=top align="center"><b>Required</b></td>
</tr>
<tr>
<td vAlign=top>file</td>
<td vAlign=top>A properties file of
name-value pairs from which to load the tokens.</td>
<td vAlign=top align="center">Yes</td>
</tr>
</table>

<h4>Examples</h4>


<p>You are copying the <code>version.txt</code> file to the <code>dist</code> <p>You are copying the <code>version.txt</code> file to the <code>dist</code>
directory from the <code>build</code> directory directory from the <code>build</code> directory
but wish to replace the token <code>&#64;DATE&#64;</code> with today's date.</p> but wish to replace the token <code>&#64;DATE&#64;</code> with today's date.</p>
<BLOCKQUOTE><PRE>
<blockquote><pre>
&lt;copy file=&quot;${build.dir}/version.txt&quot; toFile=&quot;${dist.dir}/version.txt&quot;&gt; &lt;copy file=&quot;${build.dir}/version.txt&quot; toFile=&quot;${dist.dir}/version.txt&quot;&gt;
&lt;filterset&gt; &lt;filterset&gt;
&lt;filter token=&quot;DATE&quot; value=&quot;${TODAY}&quot;/&gt; &lt;filter token=&quot;DATE&quot; value=&quot;${TODAY}&quot;/&gt;
&lt;/filterset&gt; &lt;/filterset&gt;
&lt;/copy&gt; &lt;/copy&gt;
</PRE></BLOCKQUOTE>
</pre></blockquote>


<p>You are copying the <code>version.txt</code> file to the <code>dist</code> <p>You are copying the <code>version.txt</code> file to the <code>dist</code>
directory from the build directory directory from the build directory
but wish to replace the token <code>%DATE*</code> with today's date.</p> but wish to replace the token <code>%DATE*</code> with today's date.</p>
<BLOCKQUOTE><PRE>
<blockquote><pre>
&lt;copy file=&quot;${build.dir}/version.txt&quot; toFile=&quot;${dist.dir}/version.txt&quot;&gt; &lt;copy file=&quot;${build.dir}/version.txt&quot; toFile=&quot;${dist.dir}/version.txt&quot;&gt;
&lt;filterset begintoken=&quot;%&quot; endtoken=&quot;*&quot;&gt; &lt;filterset begintoken=&quot;%&quot; endtoken=&quot;*&quot;&gt;
&lt;filter token=&quot;DATE&quot; value=&quot;${TODAY}&quot;/&gt; &lt;filter token=&quot;DATE&quot; value=&quot;${TODAY}&quot;/&gt;
&lt;/filterset&gt; &lt;/filterset&gt;
&lt;/copy&gt; &lt;/copy&gt;
</PRE></BLOCKQUOTE>
</pre></blockquote>


<p>Copy all the docs but change all dates and appropriate notices as stored in a file.</p> <p>Copy all the docs but change all dates and appropriate notices as stored in a file.</p>
<BLOCKQUOTE><PRE>
<blockquote><pre>
&lt;copy toDir=&quot;${dist.dir}/docs&quot;&gt; &lt;copy toDir=&quot;${dist.dir}/docs&quot;&gt;
&lt;fileset dir=&quot;${build.dir}/docs&quot;&gt; &lt;fileset dir=&quot;${build.dir}/docs&quot;&gt;
&lt;include name=&quot;**/*.html&quot;&gt; &lt;include name=&quot;**/*.html&quot;&gt;
@@ -129,10 +136,10 @@ but wish to replace the token <code>%DATE*</code> with today's date.</p>
&lt;filtersfile file=&quot;${user.dir}/dist.properties&quot;/&gt; &lt;filtersfile file=&quot;${user.dir}/dist.properties&quot;/&gt;
&lt;/filterset&gt; &lt;/filterset&gt;
&lt;/copy&gt; &lt;/copy&gt;
</PRE></BLOCKQUOTE>
</pre></blockquote>


<p>Define a FilterSet and reference it later.</p> <p>Define a FilterSet and reference it later.</p>
<BLOCKQUOTE><PRE>
<blockquote><pre>
&lt;filterset id=&quot;myFilterSet&quot; begintoken=&quot;%&quot; endtoken=&quot;*&quot;&gt; &lt;filterset id=&quot;myFilterSet&quot; begintoken=&quot;%&quot; endtoken=&quot;*&quot;&gt;
&lt;filter token=&quot;DATE&quot; value=&quot;${TODAY}&quot;/&gt; &lt;filter token=&quot;DATE&quot; value=&quot;${TODAY}&quot;/&gt;
&lt;/filterset&gt; &lt;/filterset&gt;
@@ -140,8 +147,8 @@ but wish to replace the token <code>%DATE*</code> with today's date.</p>
&lt;copy file=&quot;${build.dir}/version.txt&quot; toFile=&quot;${dist.dir}/version.txt&quot;&gt; &lt;copy file=&quot;${build.dir}/version.txt&quot; toFile=&quot;${dist.dir}/version.txt&quot;&gt;
&lt;filterset refid=&quot;myFilterSet&quot;/&gt; &lt;filterset refid=&quot;myFilterSet&quot;/&gt;
&lt;/copy&gt; &lt;/copy&gt;
</PRE></BLOCKQUOTE>
<HR>
</pre></blockquote>
<hr>


<P align=center>Copyright &copy; 2001-2004 The Apache Software Foundation.
All rights Reserved.</P></BODY></HTML>
<p align=center>Copyright &copy; 2001-2005 The Apache Software Foundation.
All rights Reserved.</p></body></html>

+ 116
- 105
src/main/org/apache/tools/ant/types/FilterSet.java View File

@@ -1,5 +1,5 @@
/* /*
* Copyright 2001-2004 The Apache Software Foundation
* Copyright 2001-2005 The Apache Software Foundation
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * you may not use this file except in compliance with the License.
@@ -16,7 +16,6 @@
*/ */
package org.apache.tools.ant.types; package org.apache.tools.ant.types;


// java io classes
import java.io.File; import java.io.File;
import java.io.FileInputStream; import java.io.FileInputStream;
import java.io.IOException; import java.io.IOException;
@@ -24,10 +23,10 @@ import java.util.Enumeration;
import java.util.Hashtable; import java.util.Hashtable;
import java.util.Properties; import java.util.Properties;
import java.util.Vector; import java.util.Vector;

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



/** /**
* A set of filters to be applied to something. * A set of filters to be applied to something.
* *
@@ -37,64 +36,64 @@ import org.apache.tools.ant.Project;
public class FilterSet extends DataType implements Cloneable { public class FilterSet extends DataType implements Cloneable {


/** /**
* Individual filter component of filterset
* Individual filter component of filterset.
* *
*/ */
public static class Filter { public static class Filter {
/** Token which will be replaced in the filter operation */
/** Token which will be replaced in the filter operation. */
String token; String token;


/** The value which will replace the token in the filtering operation */
/** The value which will replace the token in the filtering operation. */
String value; String value;


/** /**
* Constructor for the Filter object
* Constructor for the Filter object.
* *
* @param token The token which will be replaced when filtering
* @param value The value which will replace the token when filtering
* @param token The token which will be replaced when filtering.
* @param value The value which will replace the token when filtering.
*/ */
public Filter(String token, String value) { public Filter(String token, String value) {
this.token = token;
this.value = value;
setToken(token);
setValue(value);
} }


/** /**
* No argument conmstructor
* No-argument conmstructor.
*/ */
public Filter() { public Filter() {
} }


/** /**
* Sets the Token attribute of the Filter object
* Sets the Token attribute of the Filter object.
* *
* @param token The new Token value
* @param token The new Token value.
*/ */
public void setToken(String token) { public void setToken(String token) {
this.token = token; this.token = token;
} }


/** /**
* Sets the Value attribute of the Filter object
* Sets the Value attribute of the Filter object.
* *
* @param value The new Value value
* @param value The new Value value.
*/ */
public void setValue(String value) { public void setValue(String value) {
this.value = value; this.value = value;
} }


/** /**
* Gets the Token attribute of the Filter object
* Gets the Token attribute of the Filter object.
* *
* @return The Token value
* @return The Token value.
*/ */
public String getToken() { public String getToken() {
return token; return token;
} }


/** /**
* Gets the Value attribute of the Filter object
* Gets the Value attribute of the Filter object.
* *
* @return The Value value
* @return The Value value.
*/ */
public String getValue() { public String getValue() {
return value; return value;
@@ -108,7 +107,7 @@ public class FilterSet extends DataType implements Cloneable {
public class FiltersFile { public class FiltersFile {


/** /**
* Constructor for the Filter object
* Constructor for the FiltersFile object.
*/ */
public FiltersFile() { public FiltersFile() {
} }
@@ -132,19 +131,27 @@ public class FilterSet extends DataType implements Cloneable {
private String startOfToken = DEFAULT_TOKEN_START; private String startOfToken = DEFAULT_TOKEN_START;
private String endOfToken = DEFAULT_TOKEN_END; private String endOfToken = DEFAULT_TOKEN_END;


/** Contains a list of parsed tokens */
private Vector passedTokens;
/** if a duplicate token is found, this is set to true */
private boolean duplicateToken = false;

private boolean recurse = true;
private Hashtable filterHash = null;

/** /**
* List of ordered filters and filter files. * List of ordered filters and filter files.
*/ */
private Vector filters = new Vector(); private Vector filters = new Vector();


/** /**
* Default constructor
* Default constructor.
*/ */
public FilterSet() { public FilterSet() {
} }


/** /**
* Create a Filterset from another filterset
* Create a Filterset from another filterset.
* *
* @param filterset the filterset upon which this filterset will be based. * @param filterset the filterset upon which this filterset will be based.
*/ */
@@ -154,11 +161,11 @@ public class FilterSet extends DataType implements Cloneable {
} }


/** /**
* Get the filters in the filter set
* Get the filters in the filter set.
* *
* @return a Vector of Filter instances
* @return a Vector of Filter instances.
*/ */
protected Vector getFilters() {
protected synchronized Vector getFilters() {
if (isReference()) { if (isReference()) {
return getRef().getFilters(); return getRef().getFilters();
} }
@@ -166,7 +173,7 @@ public class FilterSet extends DataType implements Cloneable {
} }


/** /**
* Get the referred filter set
* Get the referenced filter set.
* *
* @return the filterset from the reference. * @return the filterset from the reference.
*/ */
@@ -179,21 +186,23 @@ public class FilterSet extends DataType implements Cloneable {
* *
* @return The hash of the tokens and values for quick lookup. * @return The hash of the tokens and values for quick lookup.
*/ */
public Hashtable getFilterHash() {
int filterSize = getFilters().size();
Hashtable filterHash = new Hashtable(filterSize + 1);
for (Enumeration e = getFilters().elements(); e.hasMoreElements();) {
Filter filter = (Filter) e.nextElement();
filterHash.put(filter.getToken(), filter.getValue());
public synchronized Hashtable getFilterHash() {
if (filterHash == null) {
filterHash = new Hashtable(getFilters().size());
for (Enumeration e = getFilters().elements(); e.hasMoreElements();) {
Filter filter = (Filter) e.nextElement();
filterHash.put(filter.getToken(), filter.getValue());
}
} }
return filterHash; return filterHash;
} }


/** /**
* set the file containing the filters for this filterset.
* Set the file containing the filters for this filterset.
* *
* @param filtersFile sets the filter fil to read filters for this filter set from.
* @exception BuildException if there is a problem reading the filters
* @param filtersFile sets the filter file from which to read filters
* for this filter set.
* @exception BuildException if there is a problem reading the filters.
*/ */
public void setFiltersfile(File filtersFile) throws BuildException { public void setFiltersfile(File filtersFile) throws BuildException {
if (isReference()) { if (isReference()) {
@@ -203,9 +212,9 @@ public class FilterSet extends DataType implements Cloneable {
} }


/** /**
* The string used to id the beginning of a token.
* Set the string used to id the beginning of a token.
* *
* @param startOfToken The new Begintoken value
* @param startOfToken The new Begintoken value.
*/ */
public void setBeginToken(String startOfToken) { public void setBeginToken(String startOfToken) {
if (isReference()) { if (isReference()) {
@@ -218,9 +227,9 @@ public class FilterSet extends DataType implements Cloneable {
} }


/** /**
* Get the begin token for this filterset
* Get the begin token for this filterset.
* *
* @return the filter set's begin token for filtering
* @return the filter set's begin token for filtering.
*/ */
public String getBeginToken() { public String getBeginToken() {
if (isReference()) { if (isReference()) {
@@ -229,11 +238,10 @@ public class FilterSet extends DataType implements Cloneable {
return startOfToken; return startOfToken;
} }



/** /**
* The string used to id the end of a token.
* Set the string used to id the end of a token.
* *
* @param endOfToken The new Endtoken value
* @param endOfToken The new Endtoken value.
*/ */
public void setEndToken(String endOfToken) { public void setEndToken(String endOfToken) {
if (isReference()) { if (isReference()) {
@@ -246,9 +254,9 @@ public class FilterSet extends DataType implements Cloneable {
} }


/** /**
* Get the end token for this filterset
* Get the end token for this filterset.
* *
* @return the filter set's end token for replacement delimiting
* @return the filter set's end token for replacement delimiting.
*/ */
public String getEndToken() { public String getEndToken() {
if (isReference()) { if (isReference()) {
@@ -257,24 +265,36 @@ public class FilterSet extends DataType implements Cloneable {
return endOfToken; return endOfToken;
} }


/**
* Set whether recursive token expansion is enabled.
* @param recurse <code>boolean</code> whether to recurse.
*/
public void setRecurse(boolean recurse) {
this.recurse = recurse;
}

/**
* Get whether recursive token expansion is enabled.
* @return <code>boolean</code> whether enabled.
*/
public boolean isRecurse() {
return recurse;
}


/** /**
* Read the filters from the given file. * Read the filters from the given file.
* *
* @param filtersFile the file from which filters are read
* @exception BuildException Throw a build exception when unable to read the
* file.
* @param filtersFile the file from which filters are read.
* @exception BuildException when the file cannot be read.
*/ */
public void readFiltersFromFile(File filtersFile) throws BuildException {
public synchronized void readFiltersFromFile(File filtersFile) throws BuildException {
if (isReference()) { if (isReference()) {
throw tooManyAttributes(); throw tooManyAttributes();
} }

if (!filtersFile.exists()) { if (!filtersFile.exists()) {
throw new BuildException("Could not read filters from file " throw new BuildException("Could not read filters from file "
+ filtersFile + " as it doesn't exist."); + filtersFile + " as it doesn't exist.");
} }

if (filtersFile.isFile()) { if (filtersFile.isFile()) {
log("Reading filters from " + filtersFile, Project.MSG_VERBOSE); log("Reading filters from " + filtersFile, Project.MSG_VERBOSE);
FileInputStream in = null; FileInputStream in = null;
@@ -315,10 +335,10 @@ public class FilterSet extends DataType implements Cloneable {
* This resets the passedTokens and calls iReplaceTokens to * This resets the passedTokens and calls iReplaceTokens to
* do the actual replacements. * do the actual replacements.
* *
* @param line The line to process the tokens in.
* @return The string with the tokens replaced.
* @param line The line in which to process embedded tokens.
* @return The input string after token replacement.
*/ */
public String replaceTokens(String line) {
public synchronized String replaceTokens(String line) {
passedTokens = null; // reset for new line passedTokens = null; // reset for new line
return iReplaceTokens(line); return iReplaceTokens(line);
} }
@@ -331,7 +351,7 @@ public class FilterSet extends DataType implements Cloneable {
* @param line The line to process the tokens in. * @param line The line to process the tokens in.
* @return The string with the tokens replaced. * @return The string with the tokens replaced.
*/ */
private String iReplaceTokens(String line) {
private synchronized String iReplaceTokens(String line) {
String beginToken = getBeginToken(); String beginToken = getBeginToken();
String endToken = getEndToken(); String endToken = getEndToken();
int index = line.indexOf(beginToken); int index = line.indexOf(beginToken);
@@ -345,6 +365,7 @@ public class FilterSet extends DataType implements Cloneable {
String value = null; String value = null;


do { do {
//can't have zero-length token
int endIndex = line.indexOf(endToken, int endIndex = line.indexOf(endToken,
index + beginToken.length() + 1); index + beginToken.length() + 1);
if (endIndex == -1) { if (endIndex == -1) {
@@ -355,7 +376,7 @@ public class FilterSet extends DataType implements Cloneable {
b.append(line.substring(i, index)); b.append(line.substring(i, index));
if (tokens.containsKey(token)) { if (tokens.containsKey(token)) {
value = (String) tokens.get(token); value = (String) tokens.get(token);
if (!value.equals(token)) {
if (recurse && !value.equals(token)) {
// we have another token, let's parse it. // we have another token, let's parse it.
value = replaceTokens(value, token); value = replaceTokens(value, token);
} }
@@ -381,48 +402,40 @@ public class FilterSet extends DataType implements Cloneable {
} }
} }


/** Contains a list of parsed tokens */
private Vector passedTokens;
/** if a ducplicate token is found, this is set to true */
private boolean duplicateToken = false;

/** /**
* This parses tokens which point to tokens. * This parses tokens which point to tokens.
* It also maintains a list of currently used tokens, so we cannot * It also maintains a list of currently used tokens, so we cannot
* get into an infinite loop
* @param line the value / token to parse
* @param parent the parant token (= the token it was parsed from)
* get into an infinite loop.
* @param line the value / token to parse.
* @param parent the parent token (= the token it was parsed from).
*/ */
private String replaceTokens(String line, String parent)
private synchronized String replaceTokens(String line, String parent)
throws BuildException { throws BuildException {
String beginToken = getBeginToken();
String endToken = getEndToken();
if (passedTokens == null) { if (passedTokens == null) {
passedTokens = new Vector(); passedTokens = new Vector();
} }
if (passedTokens.contains(parent) && !duplicateToken) { if (passedTokens.contains(parent) && !duplicateToken) {
duplicateToken = true; duplicateToken = true;
StringBuffer sb = new StringBuffer();
sb.append("Infinite loop in tokens. Currently known tokens : ");
sb.append(passedTokens);
sb.append("\nProblem token : " + getBeginToken() + parent
+ getEndToken());
sb.append(" called from " + getBeginToken()
+ passedTokens.lastElement());
sb.append(getEndToken());
System.out.println(sb.toString());
System.out.println(
"Infinite loop in tokens. Currently known tokens : "
+ passedTokens.toString() + "\nProblem token : " + beginToken
+ parent + endToken + " called from " + beginToken
+ passedTokens.lastElement().toString() + endToken);
return parent; return parent;
} }
passedTokens.addElement(parent); passedTokens.addElement(parent);
String value = iReplaceTokens(line); String value = iReplaceTokens(line);
if (value.indexOf(getBeginToken()) == -1 && !duplicateToken) {
if (value.indexOf(beginToken) == -1 && !duplicateToken) {
duplicateToken = false; duplicateToken = false;
passedTokens = null; passedTokens = null;
} else if (duplicateToken) { } else if (duplicateToken) {
// should always be the case... // should always be the case...
if (passedTokens.size() > 0) { if (passedTokens.size() > 0) {
value = (String) passedTokens.lastElement();
passedTokens.removeElementAt(passedTokens.size() - 1);
value = (String) passedTokens.remove(passedTokens.size() - 1);
if (passedTokens.size() == 0) { if (passedTokens.size() == 0) {
value = getBeginToken() + value + getEndToken();
value = beginToken + value + endToken;
duplicateToken = false; duplicateToken = false;
} }
} }
@@ -431,21 +444,22 @@ public class FilterSet extends DataType implements Cloneable {
} }


/** /**
* Create a new filter
* Add a new filter.
* *
* @param filter the filter to be added
* @param filter the filter to be added.
*/ */
public void addFilter(Filter filter) {
public synchronized void addFilter(Filter filter) {
if (isReference()) { if (isReference()) {
throw noChildrenAllowed(); throw noChildrenAllowed();
} }
filters.addElement(filter); filters.addElement(filter);
filterHash = null;
} }


/** /**
* Create a new FiltersFile
* Create a new FiltersFile.
* *
* @return The filter that was created.
* @return The filtersfile that was created.
*/ */
public FiltersFile createFiltersfile() { public FiltersFile createFiltersfile() {
if (isReference()) { if (isReference()) {
@@ -455,49 +469,49 @@ public class FilterSet extends DataType implements Cloneable {
} }


/** /**
* Add a new filter made from the given token and value.
*
* @param token The token for the new filter.
* @param value The value for the new filter.
*/
public void addFilter(String token, String value) {
* Add a new filter made from the given token and value.
*
* @param token The token for the new filter.
* @param value The value for the new filter.
*/
public synchronized void addFilter(String token, String value) {
if (isReference()) { if (isReference()) {
throw noChildrenAllowed(); throw noChildrenAllowed();
} }
filters.addElement(new Filter(token, value));
addFilter(new Filter(token, value));
} }


/** /**
* Add a Filterset to this filter set
*
* @param filterSet the filterset to be added to this filterset
*/
public void addConfiguredFilterSet(FilterSet filterSet) {
* Add a Filterset to this filter set.
*
* @param filterSet the filterset to be added to this filterset
*/
public synchronized void addConfiguredFilterSet(FilterSet filterSet) {
if (isReference()) { if (isReference()) {
throw noChildrenAllowed(); throw noChildrenAllowed();
} }
for (Enumeration e = filterSet.getFilters().elements(); e.hasMoreElements();) { for (Enumeration e = filterSet.getFilters().elements(); e.hasMoreElements();) {
filters.addElement(e.nextElement());
addFilter((Filter) e.nextElement());
} }
} }


/** /**
* Test to see if this filter set it empty.
* Test to see if this filter set has filters.
* *
* @return Return true if there are filter in this set otherwise false.
* @return Return true if there are filters in this set.
*/ */
public boolean hasFilters() {
public synchronized boolean hasFilters() {
return getFilters().size() > 0; return getFilters().size() > 0;
} }


/** /**
* clone the filterset
* Clone the filterset.
* *
* @return a deep clone of this filterset
* @return a deep clone of this filterset.
* *
* @throws BuildException if the clone cannot be performed. * @throws BuildException if the clone cannot be performed.
*/ */
public Object clone() throws BuildException {
public synchronized Object clone() throws BuildException {
if (isReference()) { if (isReference()) {
return ((FilterSet) getRef()).clone(); return ((FilterSet) getRef()).clone();
} else { } else {
@@ -511,8 +525,5 @@ public class FilterSet extends DataType implements Cloneable {
} }
} }
} }

} }





+ 18
- 1
src/testcases/org/apache/tools/ant/types/FilterSetTest.java View File

@@ -1,5 +1,5 @@
/* /*
* Copyright 2001-2002,2004 The Apache Software Foundation
* Copyright 2001-2002, 2004-2005 The Apache Software Foundation
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * you may not use this file except in compliance with the License.
@@ -99,6 +99,23 @@ public class FilterSetTest extends BuildFileTest {
assertEquals(result, fs.replaceTokens(line)); assertEquals(result, fs.replaceTokens(line));
} }


/**
* Test to see what happens when the resolving occurs in
* what would be an infinite loop, but with recursion disabled.
*/
public void testRecursionDisabled() {
String result = "@test1@ line testvalue";
String line = "@test@ line @test2@";
FilterSet fs = new FilterSet();
fs.addFilter("test", "@test1@");
fs.addFilter("test1","@test@");
fs.addFilter("test2", "testvalue");
fs.setBeginToken("@");
fs.setEndToken("@");
fs.setRecurse(false);
assertEquals(result, fs.replaceTokens(line));
}

public void testNestedFilterSets() { public void testNestedFilterSets() {
executeTarget("test-nested-filtersets"); executeTarget("test-nested-filtersets");




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