public static void removeIdlTypesFromJavaClasspath()

in netbeansintegration/tags/4.1.0/src/org/openoffice/extensions/util/ClasspathUpdater.java [126:222]
92 lines of code
26 McCabe index (conditional complexity)

    public static void removeIdlTypesFromJavaClasspath(Project project) {
        final FileObject projectDir = project.getProjectDirectory();
        final String IDL_JAR_NAME = ProjectTypeHelper.getObjectFromUnoProperties(projectDir, 
                "idl_types.jar").toString(); // NOI18N
        final String propName = "file.reference.".concat(IDL_JAR_NAME);
        final String javacPropName = "javac.classpath";
        Vector<String> allLines = new Vector<String>();
        FileObject nbProject = projectDir.getFileObject("nbproject");
        if (nbProject == null) return; // may happen when project is in process of deleting
        FileObject projectProps = nbProject.getFileObject("project.properties");
        if (projectProps == null) return; // may happen when project is in process of deleting
        boolean writeOut = false;
        // read the stuff
        BufferedReader buf = null;
        InputStream in = null;
        try {
            in = projectProps.getInputStream();
            if (in == null) {
                LogWriter.getLogWriter().log(LogWriter.LEVEL_CRITICAL, "cannot get inputstream from project properties"); // NOI18N
                return;
            }
            buf = new BufferedReader(new InputStreamReader(in));
            String line = null;
            while(buf.ready() && (line = buf.readLine()) != null) {
                if (line.startsWith(javacPropName)) {
                    writeOut = true;
                    removeEntryFromClassPath(line, propName, allLines);
                    // handle javac.classpath extending over several lines
                    while (buf.ready() && line.endsWith(LINE_ENDING) && 
                                (line = buf.readLine()) != null) {
                        removeEntryFromClassPath(line, propName, allLines);
                    }
                }
                else if (line.startsWith(propName)) {
                    writeOut = true;
                    // handle file.reference.IDL_types.jar extending over several lines
                    while (buf.ready() && line.endsWith(LINE_ENDING) && (line = buf.readLine()) != null) {
                        // all done in while statement...
                    }
                }
                else {
                    allLines.add(line);
                }
            }
        } catch (IOException ex) {
            writeOut = false;
            LogWriter.getLogWriter().printStackTrace(ex);
        }
        finally { // all other exceptions produce a message box in ide: nothing will be written...
            if (buf != null) {
                try {
                    buf.close();
                } catch (IOException ex) {
                    LogWriter.getLogWriter().printStackTrace(ex);
                }
            }
            else if (in != null) {
                try {
                    in.close();
                } catch (IOException ex) {
                    LogWriter.getLogWriter().printStackTrace(ex);
                }
            }
        }
        // write out again, but only when something was changed
        if (writeOut) {
            OutputStream out = null;
            BufferedWriter write = null;
            try {
                out = projectProps.getOutputStream();
                write = new BufferedWriter(new OutputStreamWriter(out));
                for (int i=0; i<allLines.size(); i++) {
                    write.write(allLines.get(i));
                    write.newLine();
                }
                write.flush();
            } catch (IOException ex) {
                LogWriter.getLogWriter().printStackTrace(ex);
            }
            finally {
                if (write != null) {
                    try {
                        write.close();
                    } catch (IOException ex) {
                        LogWriter.getLogWriter().printStackTrace(ex);
                    }
                }
                else if (out != null) {
                    try {
                        out.close();
                    } catch (IOException ex) {
                        LogWriter.getLogWriter().printStackTrace(ex);
                    }
                }
            }
        }
    }