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Java Source Code / Java Documentation » Build » ANT » org.apache.tools.ant.types.resources 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.apache.tools.ant.types.Resource
   org.apache.tools.ant.types.resources.CompressedResource

All known Subclasses:   org.apache.tools.ant.types.resources.BZip2Resource,  org.apache.tools.ant.types.resources.GZipResource,
CompressedResource
abstract public class CompressedResource extends Resource (Code)
A compressed resource.

Wraps around another resource, delegates all queries (except getSize) to that other resource but uncompresses/compresses streams on the fly.


since:
   Ant 1.7



Constructor Summary
public  CompressedResource()
    
public  CompressedResource(ResourceCollection other)
     Constructor with another resource to wrap.

Method Summary
public  voidaddConfigured(ResourceCollection a)
     Sets the resource to wrap using a single-element collection.
public  intcompareTo(Object other)
     Delegates to a comparison of names.
Parameters:
  other - the object to compare to.
abstract protected  StringgetCompressionName()
    
public  InputStreamgetInputStream()
     Get an InputStream for the Resource.
public  longgetLastModified()
     Tells the modification time in milliseconds since 01.01.1970 .
public  StringgetName()
     Get the name of the resource.
public  OutputStreamgetOutputStream()
     Get an OutputStream for the Resource.
public  longgetSize()
     Get the size of this Resource.
public  inthashCode()
     Get the hash code for this Resource.
public  booleanisDirectory()
     Tells if the resource is a directory.
public  booleanisExists()
     The exists attribute tells whether a file exists.
public  booleanisFilesystemOnly()
     Fulfill the ResourceCollection contract.
public  voidsetDirectory(boolean directory)
     Override setDirectory.
public  voidsetExists(boolean exists)
     Set the exists attribute.
public  voidsetLastModified(long lastmodified)
     Override setLastModified.
public  voidsetName(String name)
     Overridden, not allowed to set the name of the resource.
public  voidsetRefid(Reference r)
     Overrides the base version.
public  voidsetSize(long size)
     Override setSize.
public  StringtoString()
     Get the string representation of this Resource.
abstract protected  InputStreamwrapStream(InputStream in)
     Is supposed to wrap the stream to allow decompression on the fly.
Parameters:
  in - InputStream to wrap, will never be null.
abstract protected  OutputStreamwrapStream(OutputStream out)
     Is supposed to wrap the stream to allow compression on the fly.
Parameters:
  out - OutputStream to wrap, will never be null.


Constructor Detail
CompressedResource
public CompressedResource()(Code)
no arg constructor



CompressedResource
public CompressedResource(ResourceCollection other)(Code)
Constructor with another resource to wrap.
Parameters:
  other - the resource to wrap.




Method Detail
addConfigured
public void addConfigured(ResourceCollection a)(Code)
Sets the resource to wrap using a single-element collection.
Parameters:
  a - the resource to wrap as a single element Resource collection.



compareTo
public int compareTo(Object other)(Code)
Delegates to a comparison of names.
Parameters:
  other - the object to compare to. a negative integer, zero, or a positive integer as this Resourceis less than, equal to, or greater than the specified Resource.



getCompressionName
abstract protected String getCompressionName()(Code)
the name of the compression method.



getInputStream
public InputStream getInputStream() throws IOException(Code)
Get an InputStream for the Resource. an InputStream containing this Resource's content.
throws:
  IOException - if unable to provide the content of thisResource as a stream.
throws:
  UnsupportedOperationException - if InputStreams are notsupported for this Resource type.



getLastModified
public long getLastModified()(Code)
Tells the modification time in milliseconds since 01.01.1970 . 0 if the resource does not exist to mirror the behaviorof java.io.File File.



getName
public String getName()(Code)
Get the name of the resource. the name of the wrapped resource.



getOutputStream
public OutputStream getOutputStream() throws IOException(Code)
Get an OutputStream for the Resource. an OutputStream to which content can be written.
throws:
  IOException - if unable to provide the content of thisResource as a stream.
throws:
  UnsupportedOperationException - if OutputStreams are notsupported for this Resource type.



getSize
public long getSize()(Code)
Get the size of this Resource. the size, as a long, 0 if the Resource does not exist (forcompatibility with java.io.File), or UNKNOWN_SIZE if not known.



hashCode
public int hashCode()(Code)
Get the hash code for this Resource. hash code as int.



isDirectory
public boolean isDirectory()(Code)
Tells if the resource is a directory. boolean flag indicating if the resource is a directory.



isExists
public boolean isExists()(Code)
The exists attribute tells whether a file exists. true if this resource exists.



isFilesystemOnly
public boolean isFilesystemOnly()(Code)
Fulfill the ResourceCollection contract. whether this Resource is a FileResource.



setDirectory
public void setDirectory(boolean directory) throws BuildException(Code)
Override setDirectory.
Parameters:
  directory - not used.
throws:
  BuildException - always.



setExists
public void setExists(boolean exists)(Code)
Set the exists attribute.
Parameters:
  exists - if true, this resource exists.



setLastModified
public void setLastModified(long lastmodified) throws BuildException(Code)
Override setLastModified.
Parameters:
  lastmodified - not used.
throws:
  BuildException - always.



setName
public void setName(String name) throws BuildException(Code)
Overridden, not allowed to set the name of the resource.
Parameters:
  name - not used.
throws:
  BuildException - always.



setRefid
public void setRefid(Reference r)(Code)
Overrides the base version.
Parameters:
  r - the Reference to set.



setSize
public void setSize(long size) throws BuildException(Code)
Override setSize.
Parameters:
  size - not used.
throws:
  BuildException - always.



toString
public String toString()(Code)
Get the string representation of this Resource. this Resource formatted as a String.
since:
   Ant 1.7



wrapStream
abstract protected InputStream wrapStream(InputStream in) throws IOException(Code)
Is supposed to wrap the stream to allow decompression on the fly.
Parameters:
  in - InputStream to wrap, will never be null. a compressed inputstream.
throws:
  IOException - if there is a problem.



wrapStream
abstract protected OutputStream wrapStream(OutputStream out) throws IOException(Code)
Is supposed to wrap the stream to allow compression on the fly.
Parameters:
  out - OutputStream to wrap, will never be null. a compressed outputstream.
throws:
  IOException - if there is a problem.



Fields inherited from org.apache.tools.ant.types.Resource
final protected static int MAGIC(Code)(Java Doc)
final public static long UNKNOWN_DATETIME(Code)(Java Doc)
final public static long UNKNOWN_SIZE(Code)(Java Doc)

Methods inherited from org.apache.tools.ant.types.Resource
public Object clone()(Code)(Java Doc)
public int compareTo(Object other)(Code)(Java Doc)
public boolean equals(Object other)(Code)(Java Doc)
public InputStream getInputStream() throws IOException(Code)(Java Doc)
public long getLastModified()(Code)(Java Doc)
protected static int getMagicNumber(byte[] seed)(Code)(Java Doc)
public String getName()(Code)(Java Doc)
public OutputStream getOutputStream() throws IOException(Code)(Java Doc)
public long getSize()(Code)(Java Doc)
public int hashCode()(Code)(Java Doc)
public boolean isDirectory()(Code)(Java Doc)
public boolean isExists()(Code)(Java Doc)
public boolean isFilesystemOnly()(Code)(Java Doc)
public Iterator iterator()(Code)(Java Doc)
public void setDirectory(boolean directory)(Code)(Java Doc)
public void setExists(boolean exists)(Code)(Java Doc)
public void setLastModified(long lastmodified)(Code)(Java Doc)
public void setName(String name)(Code)(Java Doc)
public void setRefid(Reference r)(Code)(Java Doc)
public void setSize(long size)(Code)(Java Doc)
public int size()(Code)(Java Doc)
final public String toLongString()(Code)(Java Doc)
public String toString()(Code)(Java Doc)

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