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java.lang.Object
|
+--java.io.Reader
|
+--java.io.FilterReader
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+--org.apache.tools.ant.filters.BaseFilterReader
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+--org.apache.tools.ant.filters.BaseParamFilterReader
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+--org.apache.tools.ant.filters.ReplaceTokens
Replaces tokens in the original input with user-supplied values. Example:
<replacetokens begintoken="#" endtoken="#">
<token key="DATE" value="${TODAY}"/>
</replacetokens>
Or:
<filterreader classname="org.apache.tools.ant.filters.ReplaceTokens">
<param type="tokenchar" name="begintoken" value="#"/>
<param type="tokenchar" name="endtoken" value="#"/>
<param type="token" name="DATE" value="${TODAY}"/>
</filterreader>
| Nested Class Summary | |
static class |
ReplaceTokens.Token
Holds a token |
| Field Summary |
| Fields inherited from class java.io.FilterReader |
in |
| Fields inherited from class java.io.Reader |
lock |
| Constructor Summary | |
ReplaceTokens()
Constructor for "dummy" instances. |
|
ReplaceTokens(java.io.Reader in)
Creates a new filtered reader. |
|
| Method Summary | |
void |
addConfiguredToken(ReplaceTokens.Token token)
Adds a token element to the map of tokens to replace. |
java.io.Reader |
chain(java.io.Reader rdr)
Creates a new ReplaceTokens using the passed in Reader for instantiation. |
int |
read()
Returns the next character in the filtered stream, replacing tokens from the original stream. |
void |
setBeginToken(char beginToken)
Sets the "begin token" character. |
void |
setEndToken(char endToken)
Sets the "end token" character. |
| Methods inherited from class org.apache.tools.ant.filters.BaseParamFilterReader |
getParameters, setParameters |
| Methods inherited from class org.apache.tools.ant.filters.BaseFilterReader |
getInitialized, getProject, read, readFully, readLine, setInitialized, setProject, skip |
| Methods inherited from class java.io.FilterReader |
close, mark, markSupported, ready, reset |
| Methods inherited from class java.io.Reader |
read |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
public ReplaceTokens()
BaseFilterReader.BaseFilterReader()public ReplaceTokens(java.io.Reader in)
in - A Reader object providing the underlying stream.
Must not be null.| Method Detail |
public final int read()
throws java.io.IOException
read in class java.io.FilterReaderjava.io.IOException - if the underlying stream throws an IOException
during readingpublic final void setBeginToken(char beginToken)
beginToken - the character used to denote the beginning of a tokenpublic final void setEndToken(char endToken)
endToken - the character used to denote the end of a tokenpublic final void addConfiguredToken(ReplaceTokens.Token token)
token - The token to add to the map of replacements.
Must not be null.public final java.io.Reader chain(java.io.Reader rdr)
chain in interface ChainableReaderrdr - A Reader object providing the underlying stream.
Must not be null.
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