com.google.api.server.spi

Class IoUtil

java.lang.Object

com.google.api.server.spi.IoUtil

public final class IoUtil
extends java.lang.Object

Utililty for I/O operations.

Method Summary

Modifier and Type	Method and Description
static void	copy(java.io.InputStream in, java.io.File dest) Copies an input stream into a file.
static java.io.InputStream	getRequestInputStream(javax.servlet.http.HttpServletRequest request) Gets an uncompressed InputStream for the request.
static java.lang.String	readFile(java.io.File file) Reads the full content of a file.
static java.util.List<java.lang.String>	readFiles(java.io.File directory, java.io.FileFilter filter) Reads and returns the content of all files under a directory that satisfy a filter.
static java.lang.String	readRequestBody(javax.servlet.http.HttpServletRequest request) Reads a possibly compressed request body.
static java.lang.String	readResourceFile(java.lang.Class<?> c, java.lang.String fileName) Loads a text resource file for a class.
static java.lang.String	readStream(java.io.InputStream is) Reads the full content of a stream and returns it in a string.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

readResourceFile

public static java.lang.String readResourceFile(java.lang.Class<?> c,
                                                java.lang.String fileName)
                                         throws java.io.IOException

Loads a text resource file for a class.

Parameters:

c - Class to load resource for.

fileName - Path to resource file.

Returns:

Content of the text resource file.

Throws:

java.io.IOException

copy

public static void copy(java.io.InputStream in,
                        java.io.File dest)
                 throws java.io.IOException

Copies an input stream into a file.

Parameters:

in - Input stream to copy.

dest - File to copy to.

Throws:

java.io.IOException

readFile

public static java.lang.String readFile(java.io.File file)
                                 throws java.io.FileNotFoundException,
                                        java.io.IOException

Reads the full content of a file.

Throws:

java.io.FileNotFoundException

java.io.IOException

readFiles

public static java.util.List<java.lang.String> readFiles(java.io.File directory,
                                                         java.io.FileFilter filter)
                                                  throws java.io.FileNotFoundException,
                                                         java.io.IOException

Reads and returns the content of all files under a directory that satisfy a filter.

Parameters:

directory - Directory under which to read files

filter - File filter used to pick which files to read

Returns:

List of strings, each being the content of a file

Throws:

java.io.FileNotFoundException

java.io.IOException

readStream

public static java.lang.String readStream(java.io.InputStream is)
                                   throws java.io.IOException

Reads the full content of a stream and returns it in a string.

Throws:

java.io.IOException

getRequestInputStream

public static java.io.InputStream getRequestInputStream(javax.servlet.http.HttpServletRequest request)
                                                 throws java.io.IOException

Gets an uncompressed InputStream for the request. If the request specifies gzip encoding, tries to wrap the request input stream in a GZIPInputStream. If the input stream does not start with a gzip header, then a stream representing a plaintext request is returned.

Throws:

java.io.IOException

readRequestBody

public static java.lang.String readRequestBody(javax.servlet.http.HttpServletRequest request)
                                        throws java.io.IOException

Reads a possibly compressed request body.

Throws:

java.io.IOException