ee.ria.dhx.server.service.util

Class WsUtil

java.lang.Object

ee.ria.dhx.server.service.util.WsUtil

public class WsUtil
extends java.lang.Object

Utility methods for web services and attachments.

Author:

Aleksei Kokarev

Constructor Summary

Constructors

Constructor and Description
WsUtil()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	addAttachment(org.springframework.ws.context.MessageContext messageContext, javax.activation.DataHandler attachmentHandler) Method adds attachment to the context and returns generated content id of the attachment.
static java.io.InputStream	base64Decode(java.io.InputStream stream) Creates InputStream that will BASE64 decode the stream from input.
static java.io.InputStream	base64DecodeIfNeededAndUnzip(javax.activation.DataHandler handler) Method base64 decodes and unzips the handler's InputStream.
static javax.activation.DataHandler	extractAttachment(org.springframework.ws.context.MessageContext messageContext, java.lang.String attachmentContentId) Method finds and returns DataHandler of the attachment by attachment content id.
static java.io.OutputStream	getBase64EncodeStream(java.io.OutputStream stream) Creates OutputStream that will BASE64 encode the stream from input.
static java.util.zip.GZIPOutputStream	getGZipCompressStream(java.io.OutputStream stream) Creates OutputStream that will GZIP compress the stream from input.
static java.io.InputStream	gzipDecompress(java.io.InputStream stream) Creates InputStream that will GZIP decompress the stream from input.
static java.lang.String	readInput(java.io.InputStream fileStream) Method reads inputstream into string.
static org.w3c.dom.Document	xmlDocumentFromStream(java.io.InputStream objectStream) Method parses and creates xml dom Document from inputstream.

Methods inherited from class java.lang.Object

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

Constructor Detail

WsUtil

public WsUtil()

Method Detail

gzipDecompress

public static java.io.InputStream gzipDecompress(java.io.InputStream stream)
                                          throws ee.ria.dhx.exception.DhxException

Creates InputStream that will GZIP decompress the stream from input.

Parameters:

stream - stream to decompress

Returns:

decompressed stream

Throws:

ee.ria.dhx.exception.DhxException - thrown if error occurs

getGZipCompressStream

public static java.util.zip.GZIPOutputStream getGZipCompressStream(java.io.OutputStream stream)
                                                            throws ee.ria.dhx.exception.DhxException

Creates OutputStream that will GZIP compress the stream from input.

Parameters:

stream - - stream to compress

Returns:

compressed stream

Throws:

ee.ria.dhx.exception.DhxException - thrown if error occurs

base64Decode

public static java.io.InputStream base64Decode(java.io.InputStream stream)
                                        throws ee.ria.dhx.exception.DhxException

Creates InputStream that will BASE64 decode the stream from input.

Parameters:

stream - - stream to decode

Returns:

decoded stream

Throws:

ee.ria.dhx.exception.DhxException - thrown if error occurs

getBase64EncodeStream

public static java.io.OutputStream getBase64EncodeStream(java.io.OutputStream stream)
                                                  throws ee.ria.dhx.exception.DhxException

Creates OutputStream that will BASE64 encode the stream from input.

Parameters:

stream - stream to encode

Returns:

encoded stream

Throws:

ee.ria.dhx.exception.DhxException - thrown if error occurs

readInput

public static java.lang.String readInput(java.io.InputStream fileStream)

Method reads inputstream into string.

Parameters:

fileStream - stream to read

Returns:

read String from InputStream

xmlDocumentFromStream

public static org.w3c.dom.Document xmlDocumentFromStream(java.io.InputStream objectStream)
                                                  throws ee.ria.dhx.exception.DhxException

Method parses and creates xml dom Document from inputstream.

Parameters:

objectStream - - stream of the xml to parse

Returns:

- dom document created from stream

Throws:

ee.ria.dhx.exception.DhxException - thrown if error occurs

base64DecodeIfNeededAndUnzip

public static java.io.InputStream base64DecodeIfNeededAndUnzip(javax.activation.DataHandler handler)
                                                        throws ee.ria.dhx.exception.DhxException

Method base64 decodes and unzips the handler's InputStream. If appears that handler's InputStream is not base64 encoded, then is will be only unzipped.

Parameters:

handler - handler which stream needs to be decoded and unzipped

Returns:

decoded and unzipped InputStream

Throws:

ee.ria.dhx.exception.DhxException - thrown if error occurs

extractAttachment

@Loggable
public static javax.activation.DataHandler extractAttachment(org.springframework.ws.context.MessageContext messageContext,
                                                                        java.lang.String attachmentContentId)
                                                                 throws ee.ria.dhx.exception.DhxException

Method finds and returns DataHandler of the attachment by attachment content id.

Parameters:

messageContext - context to search for attachment

attachmentContentId - content id of the attachment to find

Returns:

DataHandler of the found attachment

Throws:

ee.ria.dhx.exception.DhxException - thrown if error occurs

addAttachment

@Loggable
public static java.lang.String addAttachment(org.springframework.ws.context.MessageContext messageContext,
                                                        javax.activation.DataHandler attachmentHandler)
                                                 throws ee.ria.dhx.exception.DhxException

Method adds attachment to the context and returns generated content id of the attachment.

Parameters:

messageContext - context to add attachment to

attachmentHandler - DataHandler of the attachment to add

Returns:

content id of the added attachment

Throws:

ee.ria.dhx.exception.DhxException - thrown if error occurs