Examples of java.io.PrintWriter.checkError()

java.io.PrintWriter.checkError()
Answers a boolean indicating whether or not this PrintWriter has encountered an error. If so, the receiver should probably be closed since further writes will not actually take place. A side effect of calling checkError is that the target Writer is flushed. @return boolean has an error occurred in this PrintWriter.

  harness.check(tpw.checkError(), "setError");


  // Check for (no) error after close
  PrintWriter p = new PrintWriter(baos3);
  p.close();
  harness.check(!p.checkError(), "checkError() after close()");
}


} // class Test

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            // Print the file epilog
            writer.println("</database>");


            // Check for errors that occurred while printing
            if (writer.checkError()) {
                writer.close();
                fileNew.delete();
                throw new IOException
                    ("Saving database to '" + pathname + "'");
            }

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            // Print the file epilog
            writer.println("</database>");


            // Check for errors that occurred while printing
            if (writer.checkError()) {
                writer.close();
                fileNew.delete();
                throw new IOException
                    ("Saving database to '" + pathname + "'");
            }

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            // Print the file epilog
            writer.println("</database>");


            // Check for errors that occurred while printing
            if (writer.checkError()) {
                writer.close();
                fileNew.delete();
                throw new IOException
                    ("Saving database to '" + pathname + "'");
            }

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            // Print the file epilog
            writer.println("</tomcat-users>");


            // Check for errors that occurred while printing
            if (writer.checkError()) {
                writer.close();
                fileNew.delete();
                throw new IOException
                    (sm.getString("memoryUserDatabase.writeException",
                                  fileNew.getAbsolutePath()));

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                    buf[i]='\n';
            }
            buf[0]='o';
            response.setContentType("text/plain");
            PrintWriter out=response.getWriter();
            while (d > 0 && !out.checkError())
            {
                if (b==1)
                {
                    out.write(d%80==0?'\n':'.');
                    d--;

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            wri = new PrintWriter(new OutputStreamWriter(out, "UTF8"));
            wri.write("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n");
            (new DOMElementWriter()).write(doc.getDocumentElement(), wri, 0, "  ");
            wri.flush();
            // writers do not throw exceptions, so check for them.
            if (wri.checkError()){
                throw new IOException("Error while writing DOM content");
            }
        } finally {
            if (wri != null) {
                wri.close();

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        // time to write the manifest
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        OutputStreamWriter osw = new OutputStreamWriter(baos, Manifest.JAR_ENCODING);
        PrintWriter writer = new PrintWriter(osw);
        manifest.write(writer, flattenClassPaths);
        if (writer.checkError()) {
            throw new IOException("Encountered an error writing the manifest");
        }
        writer.close();


        ByteArrayInputStream bais =

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                    }
                }
            }
        }


        if (writer.checkError()) {
            throw new IOException("Encountered an error writing jar index");
        }
        writer.close();
        ByteArrayInputStream bais =
            new ByteArrayInputStream(baos.toByteArray());

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            wri = new PrintWriter(new OutputStreamWriter(out, "UTF8"));
            wri.write("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n");
            (new DOMElementWriter()).write(doc.getDocumentElement(), wri, 0, "  ");
            wri.flush();
            // writers do not throw exceptions, so check for them.
            if (wri.checkError()) {
                throw new IOException("Error while writing DOM content");
            }
        } finally {
            if (wri != null) {
                wri.close();

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