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author | mharmsen <mharmsen@c9f7a03b-bd48-0410-a16d-cbbf54688b0b> | 2011-10-04 01:17:41 +0000 |
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committer | mharmsen <mharmsen@c9f7a03b-bd48-0410-a16d-cbbf54688b0b> | 2011-10-04 01:17:41 +0000 |
commit | a4682ceae6774956461edd03b2485bbacea445f4 (patch) | |
tree | 94c475a125441da63101738220ce3972cf37db61 /pki/base/common/src/com/netscape/cmscore/util/FileAsString.java | |
parent | 0c775428675d2cb1be9551f84e6b741ca813f77e (diff) | |
download | pki-IPA_v2_RHEL_6_2_20111003.tar.gz pki-IPA_v2_RHEL_6_2_20111003.tar.xz pki-IPA_v2_RHEL_6_2_20111003.zip |
Bugzilla Bug #688225 - (dogtagIPAv2.1) TRACKER: of the Dogtag fixes for freeIPA 2.1IPA_v2_RHEL_6_2_20111003
git-svn-id: svn+ssh://svn.fedorahosted.org/svn/pki/tags/IPA_v2_RHEL_6_2_20111003@2252 c9f7a03b-bd48-0410-a16d-cbbf54688b0b
Diffstat (limited to 'pki/base/common/src/com/netscape/cmscore/util/FileAsString.java')
-rw-r--r-- | pki/base/common/src/com/netscape/cmscore/util/FileAsString.java | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/pki/base/common/src/com/netscape/cmscore/util/FileAsString.java b/pki/base/common/src/com/netscape/cmscore/util/FileAsString.java new file mode 100644 index 000000000..968f9cb80 --- /dev/null +++ b/pki/base/common/src/com/netscape/cmscore/util/FileAsString.java @@ -0,0 +1,123 @@ +// --- BEGIN COPYRIGHT BLOCK --- +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; version 2 of the License. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this program; if not, write to the Free Software Foundation, Inc., +// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +// +// (C) 2007 Red Hat, Inc. +// All rights reserved. +// --- END COPYRIGHT BLOCK --- +package com.netscape.cmscore.util; + + +import java.io.*; +import java.lang.StringBuffer; + + +public class FileAsString { + + protected String mFilename; + protected long mLastRead = 0; + + private String fileContents = null; + private Object userObject = null; + + /** + * This class enables you to get treat a file as a string + * If the file changes underneath you, it will automatically + * be read + */ + public FileAsString(String filename) throws IOException { + mFilename = filename; + readFile(); + } + + public boolean fileHasChanged() throws IOException { + File file = new File(mFilename); + long lastmodified = file.lastModified(); + + return (lastmodified != mLastRead); + } + + private void readFile() + throws IOException { + BufferedReader br = createBufferedReader(mFilename); + StringBuffer buf = new StringBuffer(""); + int bytesread = 0; + + do { + char cbuf[] = new char[16]; + + bytesread = br.read(cbuf, 0, cbuf.length); + if (bytesread > 0) { + buf.append(cbuf, 0, bytesread); + } + String s = new String(buf); + } + while (bytesread != -1); + br.close(); + + fileContents = new String(buf); + } + + private BufferedReader createBufferedReader(String filename) + throws IOException { + Debug.trace("createBufferedReader(filename=" + filename + ")"); + BufferedReader br = null; + FileReader fr = null; + + try { + File file = new File(filename); + + mLastRead = file.lastModified(); + fr = new FileReader(file); + br = new BufferedReader(fr); + mFilename = filename; + } catch (IOException e) { + try { + if (fr != null) { + fr.close(); + } + } catch (Exception f) { + } + throw e; + } + return br; + } + + public String getAsString() + throws IOException { + if (fileHasChanged()) { + readFile(); + } + return fileContents; + } + + public Object getUserObject() { + try { + if (fileHasChanged()) { + userObject = null; + } + } catch (Exception e) { + userObject = null; + } + return userObject; + } + + public void setUserObject(Object x) { + userObject = x; + } + + public String getFilename() { + return mFilename; + } + +} |