There are 8 code examples for java.io.LineNumberReader.
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Project Name: randoop Package: cov
Source Code: Coverage.java (Click to view .java file)
Method Code:
/**
* @param clsThe class whose source lines are of interest.
* @param startLineThe first line of interest. Must be >= 1.
* @param endLineThe last line of interest. Must be >= startLine. If endLine is
* greater than the number of lines in the source file, the method
* returns lines up to the last line in the file.
* @return Returns null if lineNumber is greater than lines in source file.
*/
public static List<String> getSourceLines(Class<?> cls,int startLine,int endLine){
if (cls == null) throw new IllegalArgumentException("cls cannot be null.");
if (!isInstrumented(cls)) throw new IllegalArgumentException("cls is not coverage-instrumented: " + cls.getName());
if (startLine <= 0) throw new IllegalArgumentException("startLine must be >0: " + startLine);
if (endLine <= 0) throw new IllegalArgumentException("endLine must be >0: " + endLine);
if (startLine > endLine) throw new IllegalArgumentException("startLine must be <= endLine.");
String sourceFileName=getSourceFileName(cls) + ".orig";
InputStream fileStream=cls.getResourceAsStream(sourceFileName);
List<String> lines=new ArrayList<String>();
try {
LineNumberReader reader=new LineNumberReader(new InputStreamReader(fileStream));
String line=reader.readLine();
while (line != null && reader.getLineNumber() <= endLine) {
int lineNumber=reader.getLineNumber();
if (lineNumber >= startLine) lines.add(line);
line=reader.readLine();
}
}
catch ( Exception e) {
throw new RuntimeException("Error in coverage instrumenter: " + e.getMessage());
}
return lines;
}
Project Name: randoop Package: randoop.instrument
Source Code: Instrument.java (Click to view .java file)
Method Code:
/**
* Reads the file that specifies method calls that should be replaced
* by other method calls. The file is of the form:
* [regex]
* [orig-method-def]
* [new-method-name]
* where the orig_method-def is of the form:
* fully-qualified-method-name (args)
* Blank lines and // comments are ignored. The orig-method-def is
* replaced by a call to new-method-name with the same arguments in
* any classfile that matches the regular expressions. All method
* names and argument types should be fully qualified.
*/
public void read_map_file(File map_file) throws IOException {
LineNumberReader lr=new LineNumberReader(new FileReader(map_file));
MapFileError mfe=new MapFileError(lr,map_file);
Pattern current_regex=null;
Map<MethodDef,MethodInfo> map=new LinkedHashMap<MethodDef,MethodInfo>();
for (String line=lr.readLine(); line != null; line=lr.readLine()) {
line=line.replaceFirst("//.*$","");
if (line.trim().length() == 0) continue;
if (line.startsWith(" ")) {
if (current_regex == null) throw new IOException("No current class regex on line " + lr.getLineNumber());
StrTok st=new StrTok(line,mfe);
st.stok.wordChars('.','.');
MethodDef md=parse_method(st);
String new_method=st.need_word();
map.put(md,new MethodInfo(new_method));
}
else {
if (current_regex != null) {
MethodMapInfo mmi=new MethodMapInfo(current_regex,map);
map_list.add(mmi);
map=new LinkedHashMap<MethodDef,MethodInfo>();
}
current_regex=Pattern.compile(line);
}
}
if (current_regex != null) {
MethodMapInfo mmi=new MethodMapInfo(current_regex,map);
map_list.add(mmi);
}
dump_map_list();
}
Project Name: randoop Package: randoop.util
Source Code: Files.java (Click to view .java file)
Method Code:
public static LineNumberReader getFileReader(File fileName){
LineNumberReader reader;
try {
reader=new LineNumberReader(new BufferedReader(new FileReader(fileName)));
}
catch ( FileNotFoundException e1) {
throw new IllegalStateException("File was not found " + fileName + " "+ e1.getMessage());
}
return reader;
}
Project Name: weka Package: weka.core.matrix
Source Code: Matrix.java (Click to view .java file)
Method Code:
/**
* Reads a matrix from a reader. The first line in the file should
* contain the number of rows and columns. Subsequent lines
* contain elements of the matrix.
* (FracPete: taken from old weka.core.Matrix class)
* @param r the reader containing the matrix
* @throws Exception if an error occurs
* @see #write(Writer)
*/
public Matrix(Reader r) throws Exception {
LineNumberReader lnr=new LineNumberReader(r);
String line;
int currentRow=-1;
while ((line=lnr.readLine()) != null) {
if (line.startsWith("%")) continue;
StringTokenizer st=new StringTokenizer(line);
if (!st.hasMoreTokens()) continue;
if (currentRow < 0) {
int rows=Integer.parseInt(st.nextToken());
if (!st.hasMoreTokens()) throw new Exception("Line " + lnr.getLineNumber() + ": expected number of columns");
int cols=Integer.parseInt(st.nextToken());
A=new double[rows][cols];
m=rows;
n=cols;
currentRow++;
continue;
}
else {
if (currentRow == getRowDimension()) throw new Exception("Line " + lnr.getLineNumber() + ": too many rows provided");
for (int i=0; i < getColumnDimension(); i++) {
if (!st.hasMoreTokens()) throw new Exception("Line " + lnr.getLineNumber() + ": too few matrix elements provided");
set(currentRow,i,Double.valueOf(st.nextToken()).doubleValue());
}
currentRow++;
}
}
if (currentRow == -1) throw new Exception("Line " + lnr.getLineNumber() + ": expected number of rows");
else if (currentRow != getRowDimension()) throw new Exception("Line " + lnr.getLineNumber() + ": too few rows provided");
}
Project Name: weka Package: weka.experiment
Source Code: Stats.java (Click to view .java file)
Method Code:
/**
* Tests the paired stats object from the command line.
* reads line from stdin, expecting two values per line.
* @param args ignored.
*/
public static void main(String[] args){
try {
Stats ps=new Stats();
java.io.LineNumberReader r=new java.io.LineNumberReader(new java.io.InputStreamReader(System.in));
String line;
while ((line=r.readLine()) != null) {
line=line.trim();
if (line.equals("") || line.startsWith("@") || line.startsWith("%")) {
continue;
}
java.util.StringTokenizer s=new java.util.StringTokenizer(line," ,\t\n\r\f");
int count=0;
double v1=0;
while (s.hasMoreTokens()) {
double val=(new Double(s.nextToken())).doubleValue();
if (count == 0) {
v1=val;
}
else {
System.err.println("MSG: Too many values in line \"" + line + "\", skipped.");
break;
}
count++;
}
if (count == 1) {
ps.add(v1);
}
}
ps.calculateDerived();
System.err.println(ps);
}
catch ( Exception ex) {
ex.printStackTrace();
System.err.println(ex.getMessage());
}
}
Project Name: weka Package: weka.experiment
Source Code: PairedStats.java (Click to view .java file)
Method Code:
/**
* Tests the paired stats object from the command line.
* reads line from stdin, expecting two values per line.
* @param args ignored.
*/
public static void main(String[] args){
try {
PairedStats ps=new PairedStats(0.05);
java.io.LineNumberReader r=new java.io.LineNumberReader(new java.io.InputStreamReader(System.in));
String line;
while ((line=r.readLine()) != null) {
line=line.trim();
if (line.equals("") || line.startsWith("@") || line.startsWith("%")) {
continue;
}
java.util.StringTokenizer s=new java.util.StringTokenizer(line," ,\t\n\r\f");
int count=0;
double v1=0, v2=0;
while (s.hasMoreTokens()) {
double val=(new Double(s.nextToken())).doubleValue();
if (count == 0) {
v1=val;
}
else if (count == 1) {
v2=val;
}
else {
System.err.println("MSG: Too many values in line \"" + line + "\", skipped.");
break;
}
count++;
}
if (count == 2) {
ps.add(v1,v2);
}
}
ps.calculateDerived();
System.err.println(ps);
}
catch ( Exception ex) {
ex.printStackTrace();
System.err.println(ex.getMessage());
}
}
Project Name: weka Package: weka.gui
Source Code: ReaderToTextPane.java (Click to view .java file)
Method Code:
/**
* Sit here listening for lines of input and appending them straight
* to the text component.
*/
public void run(){
while (true) {
try {
StyledDocument doc=m_Output.getStyledDocument();
doc.insertString(doc.getLength(),m_Input.readLine() + '\n',doc.getStyle(getStyleName()));
m_Output.setCaretPosition(doc.getLength());
}
catch ( Exception ex) {
try {
sleep(100);
}
catch ( Exception e) {
}
}
}
}
Project Name: weka Package: weka.gui.beans
Source Code: KnowledgeFlowApp.java (Click to view .java file)
Method Code:
/**
* Pop up a help window
*/
private void popupHelp(){
final JButton tempB=m_helpB;
try {
tempB.setEnabled(false);
InputStream inR=this.getClass().getClassLoader().getResourceAsStream("weka/gui/beans/README_KnowledgeFlow");
StringBuffer helpHolder=new StringBuffer();
LineNumberReader lnr=new LineNumberReader(new InputStreamReader(inR));
String line;
while ((line=lnr.readLine()) != null) {
helpHolder.append(line + "\n");
}
lnr.close();
final javax.swing.JFrame jf=new javax.swing.JFrame();
jf.getContentPane().setLayout(new java.awt.BorderLayout());
final JTextArea ta=new JTextArea(helpHolder.toString());
ta.setFont(new Font("Monospaced",Font.PLAIN,12));
ta.setEditable(false);
final JScrollPane sp=new JScrollPane(ta);
jf.getContentPane().add(sp,java.awt.BorderLayout.CENTER);
jf.addWindowListener(new java.awt.event.WindowAdapter(){
public void windowClosing( java.awt.event.WindowEvent e){
tempB.setEnabled(true);
jf.dispose();
}
}
);
jf.setSize(600,600);
jf.setVisible(true);
}
catch ( Exception ex) {
tempB.setEnabled(true);
}
}