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java.lang.Objectorg.apache.oozie.util.IOUtils
public abstract class IOUtils
IO Utility methods.
Constructor Summary | |
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IOUtils()
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Method Summary | |
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static void |
copyCharStream(java.io.Reader reader,
java.io.Writer writer)
Copies an char input stream into an char output stream. |
static void |
copyStream(java.io.InputStream is,
java.io.OutputStream os)
Copies an inputstream into an output stream. |
static java.io.File |
createJar(java.io.File baseDir,
java.lang.String jarName,
java.lang.Class... classes)
Creates a JAR file with the specified classes. |
static void |
delete(java.io.File file)
Delete recursively a local directory. |
static java.lang.String |
getReaderAsString(java.io.Reader reader,
int maxLen)
Return a reader as string. |
static java.io.Reader |
getResourceAsReader(java.lang.String path,
int maxLen)
Return a classpath resource as a reader. |
static java.io.InputStream |
getResourceAsStream(java.lang.String path,
int maxLen)
Return a classpath resource as a stream. |
static java.lang.String |
getResourceAsString(java.lang.String path,
int maxLen)
Return a classpath resource as string. |
static void |
zipDir(java.io.File dir,
java.lang.String relativePath,
java.util.zip.ZipOutputStream zos)
Zips a local directory, recursively, into a ZIP stream. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public IOUtils()
Method Detail |
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public static void delete(java.io.File file) throws java.io.IOException
file
- directory to delete.
java.io.IOException
- thrown if the directory could not be deleted.public static java.lang.String getReaderAsString(java.io.Reader reader, int maxLen) throws java.io.IOException
reader
- reader to read into a string.maxLen
- max content length allowed, if -1 there is no limit.
java.io.IOException
- thrown if the resource could not be read.public static java.io.InputStream getResourceAsStream(java.lang.String path, int maxLen) throws java.io.IOException
path
- classpath for the resource.maxLen
- max content length allowed.
java.io.IOException
- thrown if the resource could not be read.public static java.io.Reader getResourceAsReader(java.lang.String path, int maxLen) throws java.io.IOException
path
- classpath for the resource.maxLen
- max content length allowed.
java.io.IOException
- thrown if the resource could not be read.public static java.lang.String getResourceAsString(java.lang.String path, int maxLen) throws java.io.IOException
path
- classpath for the resource.maxLen
- max content length allowed.
java.io.IOException
- thrown if the resource could not be read.public static void copyStream(java.io.InputStream is, java.io.OutputStream os) throws java.io.IOException
is
- inputstream to copy from.os
- outputstream to copy to.
java.io.IOException
- thrown if the copy failed.public static void copyCharStream(java.io.Reader reader, java.io.Writer writer) throws java.io.IOException
reader
- reader to copy from.writer
- writer to copy to.
java.io.IOException
- thrown if the copy failed.public static void zipDir(java.io.File dir, java.lang.String relativePath, java.util.zip.ZipOutputStream zos) throws java.io.IOException
dir
- directory to ZIP.relativePath
- basePath in the ZIP for the files, normally "/".zos
- the ZIP output stream to ZIP the directory.
java.io.IOException
- thrown if the directory could not be zipped.public static java.io.File createJar(java.io.File baseDir, java.lang.String jarName, java.lang.Class... classes) throws java.io.IOException
baseDir
- local directory to create the JAR file, the staging 'classes' directory is created in there.jarName
- JAR file name, including extesion.classes
- classes to add to the JAR.
java.io.IOException
- thrown if the JAR file could not be created.
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