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java.lang.Object java.io.Reader java.io.FilterReader org.apache.tools.ant.filters.BaseFilterReader org.apache.tools.ant.filters.TokenFilter
public class TokenFilter
This splits up input into tokens and passes the tokens to a sequence of filters.
BaseFilterReader
,
ChainableReader
,
DynamicConfigurator
Nested Class Summary | |
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static class |
TokenFilter.ChainableReaderFilter
Abstract class that converts derived filter classes into ChainableReaderFilter's |
static class |
TokenFilter.ContainsRegex
filter to filter tokens matching regular expressions. |
static class |
TokenFilter.ContainsString
Simple filter to filter lines contains strings |
static class |
TokenFilter.DeleteCharacters
Filter to delete characters |
static class |
TokenFilter.FileTokenizer
class to read the complete input into a string |
static interface |
TokenFilter.Filter
string filters implement this interface |
static class |
TokenFilter.IgnoreBlank
Filter remove empty tokens |
static class |
TokenFilter.ReplaceRegex
filter to replace regex. |
static class |
TokenFilter.ReplaceString
Simple replace string filter. |
static class |
TokenFilter.StringTokenizer
class to tokenize the input as areas separated by white space, or by a specified list of delim characters. |
static class |
TokenFilter.Trim
Filter to trim white space |
Field Summary |
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Fields inherited from class java.io.FilterReader |
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in |
Fields inherited from class java.io.Reader |
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lock |
Constructor Summary | |
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TokenFilter()
Constructor for "dummy" instances. |
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TokenFilter(java.io.Reader in)
Creates a new filtered reader. |
Method Summary | |
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void |
add(TokenFilter.Filter filter)
Add an arbitrary filter |
void |
add(Tokenizer tokenizer)
add an arbitrary tokenizer |
void |
addContainsRegex(TokenFilter.ContainsRegex filter)
contains regex filter |
void |
addContainsString(TokenFilter.ContainsString filter)
contains string filter |
void |
addDeleteCharacters(TokenFilter.DeleteCharacters filter)
delete chars |
void |
addFileTokenizer(TokenFilter.FileTokenizer tokenizer)
add a file tokenizer |
void |
addIgnoreBlank(TokenFilter.IgnoreBlank filter)
ignore blank filter |
void |
addLineTokenizer(LineTokenizer tokenizer)
add a line tokenizer - this is the default. |
void |
addReplaceRegex(TokenFilter.ReplaceRegex filter)
replace regex filter |
void |
addReplaceString(TokenFilter.ReplaceString filter)
replace string filter |
void |
addStringTokenizer(TokenFilter.StringTokenizer tokenizer)
add a string tokenizer |
void |
addTrim(TokenFilter.Trim filter)
trim filter |
java.io.Reader |
chain(java.io.Reader reader)
Creates a new TokenFilter using the passed in Reader for instantiation. |
static int |
convertRegexOptions(java.lang.String flags)
convert regex option flag characters to regex options g - Regexp.REPLACE_ALL i - Regexp.MATCH_CASE_INSENSITIVE m - Regexp.MATCH_MULTILINE s - Regexp.MATCH_SINGLELINE |
int |
read()
Returns the next character in the filtered stream, only including lines from the original stream which match all of the specified regular expressions. |
static java.lang.String |
resolveBackSlash(java.lang.String input)
xml does not do "c" like interpretation of strings. |
void |
setDelimOutput(java.lang.String delimOutput)
set the output delimiter. |
Methods inherited from class org.apache.tools.ant.filters.BaseFilterReader |
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getInitialized, getProject, read, readFully, readLine, setInitialized, setProject, skip |
Methods inherited from class java.io.FilterReader |
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close, mark, markSupported, ready, reset |
Methods inherited from class java.io.Reader |
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read, read |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public TokenFilter()
BaseFilterReader.BaseFilterReader()
public TokenFilter(java.io.Reader in)
in
- A Reader object providing the underlying stream.
Must not be null
.Method Detail |
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public int read() throws java.io.IOException
read
in class java.io.FilterReader
java.io.IOException
- if the underlying stream throws an IOException
during readingpublic final java.io.Reader chain(java.io.Reader reader)
chain
in interface ChainableReader
reader
- A Reader object providing the underlying stream.
public void setDelimOutput(java.lang.String delimOutput)
delimOutput
- replaces the delim string returned by the
tokenizer, if present.public void addLineTokenizer(LineTokenizer tokenizer)
tokenizer
- the line tokenizerpublic void addStringTokenizer(TokenFilter.StringTokenizer tokenizer)
tokenizer
- the string tokenizerpublic void addFileTokenizer(TokenFilter.FileTokenizer tokenizer)
tokenizer
- the file tokenizerpublic void add(Tokenizer tokenizer)
tokenizer
- the tokenizer to all, only one allowedpublic void addReplaceString(TokenFilter.ReplaceString filter)
filter
- the replace string filterpublic void addContainsString(TokenFilter.ContainsString filter)
filter
- the contains string filterpublic void addReplaceRegex(TokenFilter.ReplaceRegex filter)
filter
- the replace regex filterpublic void addContainsRegex(TokenFilter.ContainsRegex filter)
filter
- the contains regex filterpublic void addTrim(TokenFilter.Trim filter)
filter
- the trim filterpublic void addIgnoreBlank(TokenFilter.IgnoreBlank filter)
filter
- the ignore blank filterpublic void addDeleteCharacters(TokenFilter.DeleteCharacters filter)
filter
- the delete characters filterpublic void add(TokenFilter.Filter filter)
filter
- the filter to addpublic static java.lang.String resolveBackSlash(java.lang.String input)
input
- raw string with possible embedded '\'s
public static int convertRegexOptions(java.lang.String flags)
flags
- the string containing the flags
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