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java.lang.Objectuk.ac.starlink.util.DataSource
uk.ac.starlink.util.ResourceDataSource
public class ResourceDataSource
A DataSource which represents a resource available from the
class loader's ClassLoader.getResourceAsStream(java.lang.String)
method.
Field Summary |
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Fields inherited from class uk.ac.starlink.util.DataSource |
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DEFAULT_INTRO_LIMIT, MARK_WORKAROUND_PROPERTY |
Constructor Summary | |
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ResourceDataSource(java.lang.String resource)
Constructs a new ResourceDataSource from a resource name with a default size of intro buffer. |
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ResourceDataSource(java.lang.String resource,
int introLimit)
Constructs a new ResourceDataSource from a resource name and given size of intro buffer. |
Method Summary | |
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boolean |
exists()
Indicates whether this resource can be located by the class loader or not. |
java.lang.ClassLoader |
getClassLoader()
Returns the ClassLoader which is used for resource resolution. |
java.io.InputStream |
getRawInputStream()
Provides a new InputStream for this data source. |
java.net.URL |
getURL()
Returns a URL which corresponds to this data source, if one exists. |
void |
setClassLoader(java.lang.ClassLoader classLoader)
Sets the ClassLoader which is used for resource resolution. |
Methods inherited from class uk.ac.starlink.util.DataSource |
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close, forceCompression, getCompression, getHybridInputStream, getInputStream, getInputStream, getIntro, getIntroLimit, getLength, getMarkWorkaround, getName, getPosition, getRawLength, getSystemId, makeDataSource, makeDataSource, makeDataSource, setCompression, setIntroLimit, setMarkWorkaround, setName, setPosition, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public ResourceDataSource(java.lang.String resource, int introLimit)
ClassLoader.getResource(java.lang.String)
but unlike Class.getResource(java.lang.String)
the resource name
is assumed absolute, and should '/'.
resource
- the path of the resource represented by this DataSourceintroLimit
- the intro buffer sizepublic ResourceDataSource(java.lang.String resource)
ClassLoader.getResource(java.lang.String)
but unlike Class.getResource(java.lang.String)
the resource name
is assumed absolute, and should '/'.
resource
- the path of the resource represented by this DataSourceMethod Detail |
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public java.io.InputStream getRawInputStream() throws java.io.IOException
DataSource
getRawInputStream
in class DataSource
java.io.IOException
public java.net.URL getURL()
DataSource
URL.openConnection()
method call on the URL
returned by this method should provide a stream with the
same content as the DataSource.getRawInputStream()
method of this
data source. If no such URL exists or is known, then null
should be returned.
If this source has a non-null position value, it will be appended to the main part of the URL after a '#' character (as the URL's ref part).
getURL
in class DataSource
public boolean exists()
public java.lang.ClassLoader getClassLoader()
public void setClassLoader(java.lang.ClassLoader classLoader)
classLoader
- the class loader
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Copyright © 2004 CLRC: Central Laboratory of the Research Councils. All rights reserved. | ||||||||
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