Package org.bonitasoft.engine.commons.io

Class IOUtil

java.lang.Object

org.bonitasoft.engine.commons.io.IOUtil

public class IOUtil
extends Object

Author:

Elias Ricken de Medeiros, Matthieu Chaffotte, Celine Souchet

Field Summary

Fields

Modifier and Type	Field	Description
static final String	FILE_ENCODING
static final javax.activation.MimetypesFileTypeMap	MIMETYPES_FILE_TYPE_MAP
static final String	TMP_DIRECTORY

Method Summary

Modifier and Type	Method	Description
static byte[]	addJarEntry(byte[] jarToUpdate, String entryName, byte[] entryContent)
static boolean	checkMD5(File md5File, byte[] contentToCheck)
static File	createTempDirectory(URI directoryPath)
static boolean	deleteDir(File dir)
static boolean	deleteDir(File dir, int attempts, long sleepTime)
static boolean	deleteFile(File file, int attempts, long sleepTime)
static byte[]	generateJar(Class<?>... classes)
static byte[]	generateJar(Map<String,byte[]> resources)
static byte[]	generateZip(Map<String,byte[]> resources)
static byte[]	getAllContentFrom(File file)	Equivalent to getAllContentFrom(new FileInputStream(file));
static byte[]	getAllContentFrom(InputStream in)	Return the whole underlying stream content into a single String.
static byte[]	getAllContentFrom(URL url)	Return the whole underlying stream content into a single String.
static byte[]	getBytes(ZipInputStream zipInputstream)
static List<String>	getClassNameList(byte[] jarContent)
static String	getContentTypeForIcon(String iconFilename)
static Optional<byte[]>	getFileContent(String fileName)	return the content of the file from the classpath, the file must be at the root of the classpath
static byte[]	getPropertyAsString(Properties prop, String comment)
static Map<String,byte[]>	getResources(Class<?>... classes)
static byte[]	getZipEntryContent(String entryName, byte[] zipFile)
static byte[]	getZipEntryContent(String entryName, InputStream inputStream)
static String	md5(byte[] content)
static String	read(File file)	Read the contents of the given file.
static String	read(InputStream inputStream)	Read the contents from the given FileInputStream.
static String	readResource(String fileName)
static byte[]	toByteArray(Document document)
static final Map<String,byte[]>	unzip(byte[] zipFile)
static void	updatePropertyValue(File propertiesFile, Map<String,String> pairs)
static void	write(File file, byte[] fileContent)
static void	writeFile(File file, String fileContent)
static void	writeMD5(File file, byte[] bytes)
static byte[]	zip(Map<String,byte[]> files)
static byte[]	zip(Pair<String,byte[]>... files)

Methods inherited from class java.lang.Object

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

Field Details

TMP_DIRECTORY

public static final String TMP_DIRECTORY

MIMETYPES_FILE_TYPE_MAP

public static final javax.activation.MimetypesFileTypeMap MIMETYPES_FILE_TYPE_MAP

FILE_ENCODING

public static final String FILE_ENCODING

See Also:

• Constant Field Values

Method Details

getClassNameList

public static List<String> getClassNameList(byte[] jarContent)
                                     throws IOException

Throws:

IOException

write

public static void write(File file,
 byte[] fileContent)
                  throws IOException

Throws:

IOException

generateJar

public static byte[] generateJar(Class<?>... classes)
                          throws IOException

Throws:

IOException

getResources

public static Map<String,byte[]> getResources(Class<?>... classes)
                                       throws IOException

Throws:

IOException

generateJar

public static byte[] generateJar(Map<String,byte[]> resources)
                          throws IOException

Throws:

IOException

generateZip

public static byte[] generateZip(Map<String,byte[]> resources)
                          throws IOException

Throws:

IOException

getAllContentFrom

public static byte[] getAllContentFrom(InputStream in)
                                throws IOException

Return the whole underlying stream content into a single String. Warning: the whole content of stream will be kept in memory!! Use with care!

Parameters:

in - the stream to read

Returns:

the whole content of the stream in a single String.

Throws:

IOException - if an I/O exception occurs

read

public static String read(InputStream inputStream)

Read the contents from the given FileInputStream. Return the result as a String.

Parameters:

inputStream - the stream to read from

Returns:

the content read from the inputStream, as a String

read

public static String read(File file)
                   throws IOException

Read the contents of the given file.

Parameters:

file -

Throws:

IOException

getAllContentFrom

public static byte[] getAllContentFrom(File file)
                                throws IOException

Equivalent to getAllContentFrom(new FileInputStream(file));

Parameters:

file - the file to read

Returns:

the whole content of the file in a single String.

Throws:

IOException - If an I/O exception occurs

getAllContentFrom

public static byte[] getAllContentFrom(URL url)
                                throws IOException

Return the whole underlying stream content into a single String. Warning: the whole content of stream will be kept in memory!! Use with care!

Parameters:

url - the URL to read

Returns:

the whole content of the stream in a single String.

Throws:

IOException - if an I/O exception occurs

deleteDir

public static boolean deleteDir(File dir)
                         throws IOException

Throws:

IOException

deleteDir

public static boolean deleteDir(File dir,
 int attempts,
 long sleepTime)
                         throws IOException

Throws:

IOException

deleteFile

public static boolean deleteFile(File file,
 int attempts,
 long sleepTime)

writeFile

public static void writeFile(File file,
 String fileContent)
                      throws IOException

Throws:

IOException

zip

public static byte[] zip(Map<String,byte[]> files)
                  throws IOException

Throws:

IOException

zip

public static byte[] zip(Pair<String,byte[]>... files)
                  throws IOException

Throws:

IOException

unzip

public static final Map<String,byte[]> unzip(byte[] zipFile)
                                      throws IOException

Throws:

IOException

getZipEntryContent

public static byte[] getZipEntryContent(String entryName,
 InputStream inputStream)
                                 throws IOException

Throws:

IOException

getBytes

public static byte[] getBytes(ZipInputStream zipInputstream)
                       throws IOException

Throws:

IOException

getZipEntryContent

public static byte[] getZipEntryContent(String entryName,
 byte[] zipFile)
                                 throws IOException

Throws:

IOException

toByteArray

public static byte[] toByteArray(Document document)
                          throws IOException,
TransformerException

Throws:

IOException

TransformerException

addJarEntry

public static byte[] addJarEntry(byte[] jarToUpdate,
 String entryName,
 byte[] entryContent)
                          throws IOException

Throws:

IOException

getPropertyAsString

public static byte[] getPropertyAsString(Properties prop,
 String comment)
                                  throws IOException

Throws:

IOException

readResource

public static String readResource(String fileName)
                           throws IOException

Throws:

IOException

md5

public static String md5(byte[] content)
                  throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

writeMD5

public static void writeMD5(File file,
 byte[] bytes)
                     throws NoSuchAlgorithmException,
IOException

Throws:

NoSuchAlgorithmException

IOException

checkMD5

public static boolean checkMD5(File md5File,
 byte[] contentToCheck)
                        throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

updatePropertyValue

public static void updatePropertyValue(File propertiesFile,
 Map<String,String> pairs)
                                throws IOException

Throws:

IOException

getContentTypeForIcon

public static String getContentTypeForIcon(String iconFilename)

getFileContent

public static Optional<byte[]> getFileContent(String fileName)
                                       throws IOException

return the content of the file from the classpath, the file must be at the root of the classpath

Parameters:

fileName - name of the file

Returns:

the optional, or empty if there is no file with that name

Throws:

IOException - when we are unable to read the file from the classpath

createTempDirectory

public static File createTempDirectory(URI directoryPath)