Package uk.ac.starlink.util
Class URLDataSource
- java.lang.Object
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- uk.ac.starlink.util.DataSource
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- uk.ac.starlink.util.URLDataSource
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public class URLDataSource extends DataSource
A DataSource implementation based on aURL
.- Author:
- Mark Taylor (Starlink), Peter W. Draper (JAC, Durham University)
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Field Summary
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Fields inherited from class uk.ac.starlink.util.DataSource
DEFAULT_INTRO_LIMIT, MARK_WORKAROUND_PROPERTY
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Constructor Summary
Constructors Constructor Description URLDataSource(java.net.URL url)
Constructs a DataSource from a URL with default content coding.URLDataSource(java.net.URL url, ContentCoding coding)
Constructs a DataSource from a URL with given content coding policy.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected java.io.InputStream
getRawInputStream()
Provides a new InputStream for this data source.java.net.URL
getURL()
Returns the URL on which this URLDataSource is based.-
Methods inherited from class uk.ac.starlink.util.DataSource
close, forceCompression, getCompression, getHybridInputStream, getInputStream, getInputStream, getIntro, getIntroLimit, getLength, getMarkWorkaround, getName, getPosition, getRawLength, getSystemId, makeDataSource, makeDataSource, makeDataSource, setCompression, setIntroLimit, setMarkWorkaround, setName, setPosition, toString
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Constructor Detail
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URLDataSource
public URLDataSource(java.net.URL url)
Constructs a DataSource from a URL with default content coding. If the URL has a ref part (the bit after the '#') it will be treated as the position attribute of this DataSource.- Parameters:
url
- URL
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URLDataSource
public URLDataSource(java.net.URL url, ContentCoding coding)
Constructs a DataSource from a URL with given content coding policy. If the URL has a ref part (the bit after the '#') it will be treated as the position attribute of this DataSource.- Parameters:
url
- URLcoding
- configures HTTP compression; may be overridden if inapplicable or security concerns apply
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Method Detail
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getRawInputStream
protected java.io.InputStream getRawInputStream() throws java.io.IOException
Description copied from class:DataSource
Provides a new InputStream for this data source. This method should be implemented by subclasses to provide a new InputStream giving the raw content of the source each time it is called. The general contract of this method is that each time it is called it will return a stream with the same content.- Specified by:
getRawInputStream
in classDataSource
- Returns:
- an InputStream containing the data of this source
- Throws:
java.io.IOException
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getURL
public java.net.URL getURL()
Returns the URL on which this URLDataSource is based.- Overrides:
getURL
in classDataSource
- Returns:
- the URL
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