Example usage for java.io InvalidObjectException toString

Introduction

In this page you can find the example usage for java.io InvalidObjectException toString.

Prototype

public String toString() 

Source Link

Document

Returns a short description of this throwable.

Usage

From source file:org.sakaiproject.content.chh.file.ContentHostingHandlerImplFileSystem.java

private synchronized void removeProperties(ContentEntityFileSystem cefs) {
    String propFileName = getPropertiesFileName(cefs);
    BufferedReader r = null;/*from w ww  . ja  v a2  s. c  o  m*/
    Writer w = null;
    // Algorithm: copy properties from old file for everything except this filename;
    //            rename new properties file on top of old one.
    String fileIdPrefix = cefs.basePath + propertiesFileFieldSeparator + cefs.relativePath
            + propertiesFileFieldSeparator;
    try {
        w = new BufferedWriter(new FileWriter(propFileName + ".new"));
        try {
            r = new BufferedReader(new FileReader(propFileName));
            String line = null;
            while ((line = r.readLine()) != null)
                if (!line.startsWith(fileIdPrefix))
                    w.write(line + "\n");
            r.close();
        } catch (InvalidObjectException e) {
            /* file doesn't exist / unreadable -- ignore */} catch (FileNotFoundException e) {
            /* file doesn't exist / unreadable -- ignore */}

        // move new file over old one
        w.flush();
        w.close();
        new File(propFileName).delete();
        new File(propFileName + ".new").renameTo(new File(propFileName));
    } catch (IOException e) {
        log.warn("Content Hosting Handler File System was unable to remove Sakai properties: " + e.toString());
    } finally {
        if (w != null)
            try {
                w.flush();
                w.close();
            } catch (Exception e) {
            }
        if (r != null)
            try {
                r.close();
            } catch (Exception e) {
            }
        r = null;
        w = null;
    }
}

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