diff options
Diffstat (limited to 'src/main/java/com/lowagie/tools/CvsLogParser.java')
| -rw-r--r-- | src/main/java/com/lowagie/tools/CvsLogParser.java | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/src/main/java/com/lowagie/tools/CvsLogParser.java b/src/main/java/com/lowagie/tools/CvsLogParser.java new file mode 100644 index 0000000..39181f1 --- /dev/null +++ b/src/main/java/com/lowagie/tools/CvsLogParser.java @@ -0,0 +1,138 @@ +/*
+ * $Id: CvsLogParser.java,v 1.5 2006/05/22 11:00:30 blowagie Exp $
+ * $Name: $
+ *
+ * This code is free software. It may only be copied or modified
+ * if you include the following copyright notice:
+ *
+ * This code 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.
+ *
+ * itext@lowagie.com
+ */
+package com.lowagie.tools;
+
+import java.io.BufferedReader;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.StreamTokenizer;
+
+import java.util.Enumeration;
+
+/**
+ * If you get a changelog from CVS, for instance:
+ * cvs -d:ext:blowagie@itext.cvs.sourceforge.net:/cvsroot/itext log -d ">2005-07-29"
+ * you get an overview that contains all the changes.
+ * With this class, you can parse out the important entries.
+ *
+ * @author blowagie
+ */
+public class CvsLogParser implements Enumeration {
+
+ /** the tokenizer object. */
+ protected StreamTokenizer st;
+
+ /** indicates if the current token contains changes. */
+ protected boolean changes = false;
+
+ /** indicates if the tokenizer has more tokens. */
+ protected boolean more = false;
+
+ /**
+ * @param file
+ * @throws FileNotFoundException
+ */
+ public CvsLogParser(String file) throws FileNotFoundException {
+ BufferedReader r = new BufferedReader(new InputStreamReader(new FileInputStream(file)));
+ st = new StreamTokenizer(r);
+ st.eolIsSignificant(true);
+ st.ordinaryChar('/');
+ st.ordinaryChar('\'');
+ more = true;
+ }
+
+ /**
+ * @see java.util.Enumeration#hasMoreElements()
+ */
+ public boolean hasMoreElements() {
+ return more;
+ }
+
+ /**
+ * Returns the next token in the log file.
+ * @see java.util.Enumeration#nextElement()
+ */
+ public Object nextElement(){
+ StringBuffer token = new StringBuffer();
+ StringBuffer line = new StringBuffer();
+ boolean moreToken = true;
+ changes = false;
+ try {
+ while (more && moreToken) {
+ st.nextToken();
+ switch(st.ttype) {
+ case StreamTokenizer.TT_EOF:
+ more = false;
+ case StreamTokenizer.TT_EOL:
+ token.append(line.toString());
+ if (line.toString().endsWith("=============================================================================")) {
+ moreToken = false;
+ }
+ else {
+ line = new StringBuffer("\n");
+ }
+ break;
+ case StreamTokenizer.TT_WORD:
+ line.append(st.sval);
+ line.append(" ");
+ break;
+ case StreamTokenizer.TT_NUMBER:
+ if (st.nval > 0 && line.toString().endsWith("selected revisions :")) {
+ changes = true;
+ }
+ line.append(st.nval);
+ break;
+ default:
+ line.append((char) st.ttype);
+ }
+ }
+ return token.toString();
+ }
+ catch(IOException ioe) {
+ more = false;
+ return "";
+ }
+ }
+
+ /**
+ * Indicates if the current token is one that contains changes.
+ * @return true if the token is relevant
+ */
+ private boolean hasChanged() {
+ return changes;
+ }
+
+
+ /**
+ * Parses a log form CVS.
+ * @param args the path to the logfile
+ */
+ public static void main(String[] args) {
+ try {
+ CvsLogParser p = new CvsLogParser(args[0]);
+ String token;
+ while (p.hasMoreElements()) {
+ token = (String) p.nextElement();
+ if (p.hasChanged()) {
+ System.out.println(token);
+ }
+ }
+ }
+ catch(Exception e) {
+ e.printStackTrace();
+ }
+ }
+}
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