com.deltax.util
Interface ResourceFileFinder

All Known Subinterfaces:

DynamicResourceFileFinder

All Known Implementing Classes:

DynamicJDK12ClassFileFinder, JDK12ClassFileFinder

public interface ResourceFileFinder

This interface defines services for publicly load resource files.

The JDK12ClassFileFinder class implements this interface emulating the Java 2 system class loader behaviour.

Version:

1.0

Author:

Cristiano Sadun

Method Summary

java.io.File	findResourceFile(java.lang.String resource) Find a resource in the filesystem.
byte[]	getResourceBytes(java.lang.String resource) Return a byte array with the bytes for the resource, or null if the resource cannot be found
java.lang.String	getSupportedLoadingScheme() Returns the supported loading scheme
java.io.InputStream	openResource(java.lang.String resource) Return the stream associated to a resource in the filesystem, or null if such resource cannot be found.

Method Detail

getSupportedLoadingScheme

public java.lang.String getSupportedLoadingScheme()

Returns the supported loading scheme

Returns:

a description string

findResourceFile

public java.io.File findResourceFile(java.lang.String resource)
                              throws java.io.IOException

Find a resource in the filesystem. The returned file either is the resource itself, or a JAR/ZIP file containing the resource.

Parameters:

resource - the resource path

Returns:

a stream to the resource, or null if the resource cannot be found

Throws:

java.io.IOException - if a problem arises accessing the resource

getResourceBytes

public byte[] getResourceBytes(java.lang.String resource)
                        throws java.io.IOException

Return a byte array with the bytes for the resource, or null if the resource cannot be found. * @param resource the resource name * @return byte[] the bytes of the resource * @throws IOException if a problem arises accessing the resource

Throws:

java.io.IOException

openResource

public java.io.InputStream openResource(java.lang.String resource)
                                 throws java.io.IOException

Return the stream associated to a resource in the filesystem, or null if such resource cannot be found.

The returned stream is not buffered.

Parameters:

resource - the resource path

Returns:

a stream to the resource, or null if the resource cannot be found

Throws:

java.io.IOException - if a problem arises accessing the resource