Package org.apache.xml.resolver.readers
Class TextCatalogReader
java.lang.Object
org.apache.xml.resolver.readers.TextCatalogReader
- All Implemented Interfaces:
CatalogReader
- Direct Known Subclasses:
TR9401CatalogReader
Parses plain text Catalog files.
This class reads plain text Open Catalog files.
- Version:
- 1.0
- Author:
- Norman Walsh Norman.Walsh@Sun.COM
- See Also:
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Field Summary
FieldsModifier and TypeFieldDescriptionprotected boolean
Are keywords in the catalog case sensitive?protected InputStream
The input stream used to read the catalogprotected int[]
Character lookahead stack.protected Stack
Token stack.protected int
The current position on the lookahead stack -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionprotected void
finalize()
The destructor.boolean
protected int
nextChar()
Return the next logical character from the input stream.protected String
Return the next token in the catalog file.void
readCatalog
(Catalog catalog, InputStream is) Read a catalog from an input stream.void
readCatalog
(Catalog catalog, String fileUrl) Start parsing a text catalog file.void
setCaseSensitive
(boolean isCaseSensitive)
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Field Details
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catfile
The input stream used to read the catalog -
stack
protected int[] stackCharacter lookahead stack. Reading a catalog sometimes requires up to two characters of lookahead. -
tokenStack
Token stack. Recognizing an unexpected catalog entry requires the ability to "push back" a token. -
top
protected int topThe current position on the lookahead stack -
caseSensitive
protected boolean caseSensitiveAre keywords in the catalog case sensitive?
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Constructor Details
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TextCatalogReader
public TextCatalogReader()Construct a CatalogReader object.
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Method Details
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setCaseSensitive
public void setCaseSensitive(boolean isCaseSensitive) -
getCaseSensitive
public boolean getCaseSensitive() -
readCatalog
Start parsing a text catalog file. The file is actually read and parsed as needed bynextEntry
.- Specified by:
readCatalog
in interfaceCatalogReader
- Parameters:
catalog
- The catalog for which this reader is called.fileUrl
- The URL or filename of the catalog file to process- Throws:
MalformedURLException
- Improper fileUrlIOException
- Error reading catalog file
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readCatalog
Description copied from interface:CatalogReader
Read a catalog from an input stream.This class reads a catalog from an input stream.
- Specified by:
readCatalog
in interfaceCatalogReader
- Parameters:
catalog
- The catalog for which this reader is called.is
- The input stream that is to be read.- Throws:
MalformedURLException
IOException
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finalize
protected void finalize()The destructor.Makes sure the catalog file is closed.
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nextToken
Return the next token in the catalog file.FYI: This code does not throw any sort of exception for a file that contains an n
- Returns:
- The Catalog file token from the input stream.
- Throws:
IOException
- If an error occurs reading from the stream.CatalogException
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nextChar
Return the next logical character from the input stream.- Returns:
- The next (logical) character from the input stream. The character may be buffered from a previous lookahead.
- Throws:
IOException
- If an error occurs reading from the stream.
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