Template of Windows TypePerf cmd and Impl a CSVParser class+test

src/zutil/Timer.java

@@ -40,9 +40,16 @@ public class Timer {
         reset();
     }
 
+    /**
+     * Will start or restart the timer if it is already running
+     */
     public void start(){
         timestamp = System.currentTimeMillis();
     }
+
+    /**
+     * Will reset the timer so that {@link #hasTimedOut()} returns true
+     */
     public void reset(){
         timestamp = -1;
     }

src/zutil/osal/HalLinuxImpl.java

@@ -25,7 +25,7 @@ package zutil.osal;
 /**
  * Created by Ziver on 2015-04-07.
  */
-public class HALLinuxImpl implements HardwareAbstractionLayer{
+public class HalLinuxImpl implements HardwareAbstractionLayer{
 
-    protected HALLinuxImpl(){}
+    protected HalLinuxImpl(){}
 }

src/zutil/osal/OsalLinuxImpl.java

@@ -28,7 +28,7 @@ import java.io.File;
  * User: Ziver
  */
 public class OsalLinuxImpl extends OSAbstractionLayer {
-    private static HALLinuxImpl hal;
+    private static HalLinuxImpl hal;
 
     @Override
     public OSType getOSType() {
@@ -78,7 +78,7 @@ public class OsalLinuxImpl extends OSAbstractionLayer {
     @Override
     public HardwareAbstractionLayer getHAL() {
         if(hal == null)
-            hal = new HALLinuxImpl();
+            hal = new HalLinuxImpl();
         return hal;
     }
 }

src/zutil/osal/app/linux/ProcStat.java

@@ -23,6 +23,7 @@
 package zutil.osal.app.linux;
 
 import zutil.log.LogUtil;
+import zutil.Timer;
 
 import java.io.BufferedReader;
 import java.io.FileReader;
@@ -46,13 +47,13 @@ public class ProcStat {
     private static ArrayList<CpuStats> cpus = new ArrayList<CpuStats>();
     private static long uptime;
     private static long processes;
-    private static long updateTimestamp;
+    private static Timer updateTimer = new Timer(TTL);
 
 
     private synchronized static void update(){
-        if(System.currentTimeMillis() - updateTimestamp < TTL)
+        if(updateTimer.hasTimedOut())
             return;
-        updateTimestamp = System.currentTimeMillis();
+        updateTimer.start();
         try {
             BufferedReader in = new BufferedReader(new FileReader(PROC_PATH));
             String line = null;

src/zutil/parser/CSVParser.java

@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2015 ezivkoc
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package zutil.parser;
+
+import zutil.struct.MutableInt;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.io.StringReader;
+
+/**
+ * Created by Ziver
+ */
+public class CSVParser extends Parser{
+
+    private Reader in;
+    private char delimiter;
+    private boolean parseHeader;
+
+    private DataNode headers;
+
+
+    public CSVParser(Reader in){
+        this(in, false, ',');
+    }
+    public CSVParser(Reader in, boolean inclusedHeader){
+        this(in, inclusedHeader, ',');
+    }
+    public CSVParser(Reader in, boolean includesHeader, char delimiter){
+        this.in = in;
+        this.delimiter = delimiter;
+        this.parseHeader = includesHeader;
+    }
+
+    public DataNode getHeaders() {
+        return headers;
+    }
+
+    /**
+     * Starts parsing from a string
+     *
+     * @param 	csv	is the JSON String to parse
+     * @return a DataNode object representing the JSON in the input String
+     */
+    public static DataNode read(String csv){
+        try{
+            return new CSVParser(new StringReader(csv)).read();
+        }catch (IOException e){
+            e.printStackTrace();
+        }catch (NullPointerException e){}
+        return null;
+    }
+
+
+    /**
+     * Starts parsing from the input.
+     * This method will block until one row has been parsed.
+     *
+     * @return a DataNode object representing a row in the CSV
+     */
+    @Override
+    public DataNode read() throws IOException {
+        if(parseHeader) {
+            parseHeader = false;
+            headers = read();
+        }
+
+        DataNode data = new DataNode(DataNode.DataType.List);
+        StringBuilder value = new StringBuilder();
+        boolean quoteStarted = false;
+        int c;
+        while((c=in.read()) >= 0 && c != '\n'){
+            if(c == delimiter && !quoteStarted){
+                data.add(value.toString());
+                value.delete(0, value.length()); // Reset StringBuilder
+            }
+            else if(c == '\"' &&  // Ignored quotes
+                    (value.length() == 0 || quoteStarted)){
+                quoteStarted = !quoteStarted;
+            }
+            else
+                value.append((char)c);
+        }
+        if(value.length() > 0)
+            data.add(value.toString());
+        if(data.size() == 0)
+            return null;
+        return data;
+    }
+}

src/zutil/parser/Parser.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2015 ezivkoc
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package zutil.parser;
+
+import zutil.struct.MutableInt;
+
+import java.io.IOException;
+import java.io.StringReader;
+
+/**
+ * Created by Ziver
+ */
+public abstract class Parser {
+
+    /**
+     * Starts parsing data from the input.
+     * This method will block until one {@link DataNode} has been parsed.
+     *
+     * @return a DataNode object representing one item from the input data
+     *         or null it it is the end of the stream
+     */
+    public abstract DataNode read() throws IOException;
+
+}

src/zutil/parser/json/JSONParser.java

@@ -24,6 +24,7 @@ package zutil.parser.json;
 
 import zutil.parser.DataNode;
 import zutil.parser.DataNode.DataType;
+import zutil.parser.Parser;
 import zutil.struct.MutableInt;
 
 import java.io.IOException;
@@ -36,7 +37,7 @@ import java.util.regex.Pattern;
  * 
  * @author Ziver
  */
-public class JSONParser{
+public class JSONParser extends Parser {
 	public static final Pattern NUMBER_PATTERN = Pattern.compile("^[0-9.]++$");
 	public static final Pattern BOOLEAN_PATTERN = Pattern.compile("^(true|false)$", Pattern.CASE_INSENSITIVE);
 	
@@ -47,11 +48,12 @@ public class JSONParser{
     }
 
     /**
-     * Starts parsing from the InputStream.
+     * Starts parsing from the input.
      * This method will block until one root tree has been parsed.
      *
      * @return a DataNode object representing the input JSON
      */
+    @Override
     public DataNode read() throws IOException {
         return parse(in, new MutableInt());
     }
@@ -80,11 +82,13 @@ public class JSONParser{
         DataNode node = null;
         end.i = 0;
 
-        char c = '_';
-        while((c=(char)in.read()) < 0 || Character.isWhitespace(c) ||
-                c == ',' || c == ':');
+        int c = '_';
+        while((c=in.read()) >= 0 &&
+                (Character.isWhitespace(c) || c == ',' || c == ':'));
 
         switch( c ){
+            // End of stream
+            case -1: break;
             // This is the end of an Map or List
             case ']':
             case '}':
@@ -114,19 +118,19 @@ public class JSONParser{
             case '\"':
                 root = new DataNode(DataType.String);
                 StringBuilder str = new StringBuilder();
-                while((c=(char)in.read()) >= 0 && c != '\"')
-                    str.append(c);
+                while((c=in.read()) >= 0 && c != '\"')
+                    str.append((char)c);
                 root.set(str.toString());
                 break;
             // Parse unknown type
             default:
-                StringBuilder tmp = new StringBuilder().append(c);
-                while((c=(char)in.read()) >= 0 && c != ',' && c != '='){
+                StringBuilder tmp = new StringBuilder().append((char)c);
+                while((c=in.read()) >= 0 && c != ',' && c != '='){
                     if(c == ']' || c == '}'){
                         end.i = 1;
                         break;
                     }
-                    tmp.append(c);
+                    tmp.append((char)c);
                 }
                 // Check what type of type the data is
                 String data = tmp.toString().trim();

src/zutil/test/CSVParserTest.java

@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2015 ezivkoc
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package zutil.test;
+
+import org.junit.Test;
+import zutil.parser.CSVParser;
+import zutil.parser.DataNode;
+
+import java.io.IOException;
+import java.io.StringReader;
+
+import static org.junit.Assert.*;
+
+/**
+ * Created by ezivkoc on 2015-07-30.
+ */
+public class CSVParserTest {
+
+
+    @Test
+    public void emptyTest(){
+        DataNode node = CSVParser.read("");
+        assertEquals(null, node);
+    }
+
+    @Test
+    public void simpleTest(){
+        DataNode node = CSVParser.read("hello,world,you");
+        assertEquals(3, node.size());
+        assertEquals("hello", node.get(0).getString());
+        assertEquals("world", node.get(1).getString());
+        assertEquals("you",   node.get(2).getString());
+    }
+
+    @Test
+    public void simpleHeaderTest() throws IOException {
+        CSVParser parser = new CSVParser(new StringReader("where,what,who\nhello,world,you"), true);
+        DataNode node = parser.read();
+        assertEquals(3, node.size());
+        assertEquals("hello", node.get(0).getString());
+        assertEquals("world", node.get(1).getString());
+        assertEquals("you",   node.get(2).getString());
+        node = parser.getHeaders();
+        assertEquals("where", node.get(0).getString());
+        assertEquals("what", node.get(1).getString());
+        assertEquals("who",   node.get(2).getString());
+    }
+
+    @Test
+    public void simpleMultilineTest() throws IOException {
+        CSVParser parser = new CSVParser(
+                new StringReader("hello,world,you\nhello,world,you\nhello,world,you"));
+        int rows=0;
+        for(DataNode node = parser.read(); node != null; node=parser.read(), ++rows) {
+            assertEquals(3, node.size());
+            assertEquals("hello", node.get(0).getString());
+            assertEquals("world", node.get(1).getString());
+            assertEquals("you", node.get(2).getString());
+        }
+        assertEquals(3, rows);
+    }
+
+    @Test
+    public void quotedTest(){
+        DataNode node = CSVParser.read("\"hello\",\"world\",\"you\"");
+        assertEquals(3, node.size());
+        assertEquals("hello", node.get(0).getString());
+        assertEquals("world", node.get(1).getString());
+        assertEquals("you",   node.get(2).getString());
+    }
+
+    @Test
+    public void quotedIncorrectlyTest(){
+        DataNode node = CSVParser.read("hello\",wo\"rl\"d,\"you\"");
+        assertEquals(3, node.size());
+        assertEquals("hello\"", node.get(0).getString());
+        assertEquals("wo\"rl\"d", node.get(1).getString());
+        assertEquals("you",   node.get(2).getString());
+    }
+
+    @Test
+    public void quotedCommaTest(){
+        DataNode node = CSVParser.read("hello,\"world,you\"");
+        assertEquals(2, node.size());
+        assertEquals("hello", node.get(0).getString());
+        assertEquals("world,you", node.get(1).getString());
+    }
+}

src/zutil/test/JSONParserTest.java

@@ -31,7 +31,7 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
 
 
-public class JSONTest{
+public class JSONParserTest {
 
     @Test
     public void nullString(){