public class InterpolationFilterReader extends FilterReader
When a possible keyword token is recognized (by detecting the starting and ending token delimiters):
s
in
Constructor and Description |
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InterpolationFilterReader(Reader in,
Map<?,Object> variables,
String beginToken,
String endToken)
Construct a Reader to interpolate values enclosed between the given delimiter tokens.
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InterpolationFilterReader(Reader in,
Map<String,Object> variables)
Construct a Reader using the default interpolation delimiter tokens "${" and "}".
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Modifier and Type | Method and Description |
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int |
read()
Returns the next character in the filtered stream, replacing tokens from the original stream.
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int |
read(char[] cbuf,
int off,
int len)
Reads characters into a portion of an array.
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long |
skip(long n)
Skips characters.
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close, mark, markSupported, ready, reset
public InterpolationFilterReader(Reader in, Map<?,Object> variables, String beginToken, String endToken)
in
- a Reader to be wrapped for interpolation.variables
- name/value pairs to be interpolated into the character stream.beginToken
- an interpolation target begins with this.endToken
- an interpolation target ends with this.public InterpolationFilterReader(Reader in, Map<String,Object> variables)
in
- a Reader to be wrapped for interpolation.variables
- name/value pairs to be interpolated into the character stream.public long skip(long n) throws IOException
skip
in class FilterReader
n
- The number of characters to skipIllegalArgumentException
- If n
is negative.IOException
- If an I/O error occurspublic int read(char[] cbuf, int off, int len) throws IOException
read
in class FilterReader
cbuf
- Destination buffer to write characters to. Must not be null
.off
- Offset at which to start storing characters.len
- Maximum number of characters to read.IOException
- If an I/O error occurspublic int read() throws IOException
read
in class FilterReader
IOException
- if the underlying stream throws an IOException during readingCopyright © 2001–2022 The Apache Software Foundation. All rights reserved.