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java.lang.Object org.apache.jackrabbit.extractor.AbstractTextExtractor org.apache.jackrabbit.extractor.HTMLTextExtractor
public class HTMLTextExtractor
Text extractor for HyperText Markup Language (HTML).
Constructor Summary | |
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HTMLTextExtractor()
Creates a new HTMLTextExtractor instance. |
Method Summary | |
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Reader |
extractText(InputStream stream,
String type,
String encoding)
Returns a reader for the text content of the given binary document. |
Methods inherited from class org.apache.jackrabbit.extractor.AbstractTextExtractor |
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getContentTypes |
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 HTMLTextExtractor()
HTMLTextExtractor
instance.
Method Detail |
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public Reader extractText(InputStream stream, String type, String encoding) throws IOException
TextExtractor.getContentTypes()
unless the
implementation explicitly permits other content types.
The implementation can choose either to read and parse the given document immediately or to return a reader that does it incrementally. The only constraint is that the implementation must close the given stream latest when the returned reader is closed. The caller on the other hand is responsible for closing the returned reader.
The implementation should only throw an exception on transient errors, i.e. when it can expect to be able to successfully extract the text content of the same binary at another time. An effort should be made to recover from syntax errors and other similar problems.
This method should be thread-safe, i.e. it is possible that this method is invoked simultaneously by different threads to extract the text content of different documents. On the other hand the returned reader does not need to be thread-safe.
stream
- binary document from which to extract texttype
- MIME type of the given document, lower caseencoding
- the character encoding of the binary data,
or null
if not available
IOException
- on transient errors
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