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author | pdanner <pdanner@d688527b-c9ab-4aba-bd8d-4036d912da1d> | 2007-09-05 10:50:49 +0000 |
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committer | pdanner <pdanner@d688527b-c9ab-4aba-bd8d-4036d912da1d> | 2007-09-05 10:50:49 +0000 |
commit | 2006356de97eef6d8ce1f4e03ace9a42079be8d1 (patch) | |
tree | 0d418da384681d8e4e5f6c3054a3fb9f68bf8b5d /common/src/main/java/at/gv/egovernment/moa/util/FileUtils.java | |
parent | f5addfcb66da2761d2d862220766c047de7a1e32 (diff) | |
download | moa-id-spss-tags/Build-SPSS-1.4.1.tar.gz moa-id-spss-tags/Build-SPSS-1.4.1.tar.bz2 moa-id-spss-tags/Build-SPSS-1.4.1.zip |
MOA-SP/SS Release 1.4.1tags/Build-SPSS-1.4.1
git-svn-id: https://joinup.ec.europa.eu/svn/moa-idspss/tags/Build-SPSS-1_4_1@995 d688527b-c9ab-4aba-bd8d-4036d912da1d
Diffstat (limited to 'common/src/main/java/at/gv/egovernment/moa/util/FileUtils.java')
-rw-r--r-- | common/src/main/java/at/gv/egovernment/moa/util/FileUtils.java | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/common/src/main/java/at/gv/egovernment/moa/util/FileUtils.java b/common/src/main/java/at/gv/egovernment/moa/util/FileUtils.java new file mode 100644 index 000000000..a5e777c2d --- /dev/null +++ b/common/src/main/java/at/gv/egovernment/moa/util/FileUtils.java @@ -0,0 +1,116 @@ +package at.gv.egovernment.moa.util; + +import java.io.BufferedInputStream; +import java.io.File; +import java.io.FileInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.net.URL; + +/** + * Utility for accessing files on the file system, and for reading from input streams. + * @author Paul Ivancsics + * @version $Id$ + */ +public class FileUtils { + + /** + * Reads a file, given by URL, into a byte array. + * @param urlString file URL + * @return file content + * @throws IOException on any exception thrown + */ + public static byte[] readURL(String urlString) throws IOException { + URL url = new URL(urlString); + InputStream in = new BufferedInputStream(url.openStream()); + byte[] content = StreamUtils.readStream(in); + in.close(); + return content; + } + /** + * Reads a file, given by URL, into a String. + * @param urlString file URL + * @param encoding character encoding + * @return file content + * @throws IOException on any exception thrown + */ + public static String readURL(String urlString, String encoding) throws IOException { + byte[] content = readURL(urlString); + return new String(content, encoding); + } + /** + * Reads a file, given by filename, into a byte array. + * @param filename filename + * @return file content + * @throws IOException on any exception thrown + */ + public static byte[] readFile(String filename) throws IOException { + BufferedInputStream in = new BufferedInputStream(new FileInputStream(filename)); + byte[] content = StreamUtils.readStream(in); + in.close(); + return content; + } + /** + * Reads a file, given by filename, into a String. + * @param filename filename + * @param encoding character encoding + * @return file content + * @throws IOException on any exception thrown + */ + public static String readFile(String filename, String encoding) throws IOException { + byte[] content = readFile(filename); + return new String(content, encoding); + } + /** + * Reads a file from a resource. + * @param name resource name + * @return file content as a byte array + * @throws IOException on any exception thrown + */ + public static byte[] readResource(String name) throws IOException { + ClassLoader cl = FileUtils.class.getClassLoader(); + BufferedInputStream in = new BufferedInputStream(cl.getResourceAsStream(name)); + byte[] content = StreamUtils.readStream(in); + in.close(); + return content; + } + /** + * Reads a file from a resource. + * @param name filename + * @param encoding character encoding + * @return file content + * @throws IOException on any exception thrown + */ + public static String readResource(String name, String encoding) throws IOException { + byte[] content = readResource(name); + return new String(content, encoding); + } + + /** + * Returns the absolute URL of a given url which is relative to the parameter root + * @param url + * @param root + * @return String + */ + public static String makeAbsoluteURL(String url, String root) { + //if url is relative to rootConfigFileDirName make it absolute + + File keyFile; + String newURL = url; + + if(null == url) return null; + + if (url.startsWith("http:/") || url.startsWith("https:/") || url.startsWith("file:/") || url.startsWith("ftp:/")) { + return url; + } else { + // check if absolute - if not make it absolute + keyFile = new File(url); + if (!keyFile.isAbsolute()) { + keyFile = new File(root, url); + newURL = keyFile.getPath(); + } + return newURL; + } + } + +} |