Beginning to implement PrintWriter.

teavm-classlib/src/main/java/org/teavm/classlib/impl/charset/Charset.java

@@ -0,0 +1,13 @@
+package org.teavm.classlib.impl.charset;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+public abstract class Charset {
+    public abstract int encode(int[] buffer, int offset, int length, byte[] dest, int destOffset, int destLength);
+
+    public abstract int decode(byte[] buffer, int offset, int length, int[] dest, int destOffset, int destLength);
+
+    public static native Charset get(String name);
+}

teavm-classlib/src/main/java/org/teavm/classlib/impl/charset/CharsetName.java

@@ -0,0 +1,16 @@
+package org.teavm.classlib.impl.charset;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+@Retention(RetentionPolicy.CLASS)
+@Target(ElementType.TYPE)
+public @interface CharsetName {
+    String value();
+}

teavm-classlib/src/main/java/org/teavm/classlib/impl/charset/UTF16Charset.java

@@ -0,0 +1,10 @@
+package org.teavm.classlib.impl.charset;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+@CharsetName("UTF-16")
+public class UTF16Charset {
+
+}

teavm-classlib/src/main/java/org/teavm/classlib/impl/charset/UTF8Charset.java

@@ -0,0 +1,18 @@
+package org.teavm.classlib.impl.charset;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+@CharsetName("UTF-8")
+public class UTF8Charset extends Charset {
+    @Override
+    public int encode(int[] buffer, int offset, int length, byte[] dest, int destOffset, int destLength) {
+        return 0;
+    }
+
+    @Override
+    public int decode(byte[] buffer, int offset, int length, int[] dest, int destOffset, int destLength) {
+        return 0;
+    }
+}

teavm-classlib/src/main/java/org/teavm/classlib/java/lang/TAbstractStringBuilder.java

@@ -351,4 +351,17 @@ class TAbstractStringBuilder extends TObject implements TSerializable, TCharSequ
         // TODO: implement
         throw new TUnsupportedOperationException();
     }
+
+    public void getChars(int srcBegin, int srcEnd, char[] dst, int dstBegin) {
+        if (srcBegin > srcEnd) {
+            throw new TIndexOutOfBoundsException(TString.wrap("Index out of bounds"));
+        }
+        while (srcBegin < srcEnd) {
+            dst[dstBegin++] = buffer[srcBegin++];
+        }
+    }
+
+    public void setLength(int newLength) {
+        length = 0;
+    }
 }

teavm-classlib/src/main/java/org/teavm/classlib/java/lang/TAutoCloseable.java

@@ -0,0 +1,9 @@
+package org.teavm.classlib.java.lang;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+public interface TAutoCloseable {
+    void close() throws TException;
+}

teavm-classlib/src/main/java/org/teavm/classlib/java/lang/io/TCloseable.java

@@ -0,0 +1,12 @@
+package org.teavm.classlib.java.lang.io;
+
+import org.teavm.classlib.java.lang.TAutoCloseable;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+public interface TCloseable extends TAutoCloseable {
+    @Override
+    void close() throws TIOException;
+}

teavm-classlib/src/main/java/org/teavm/classlib/java/lang/io/TFilterOutputStream.java

@@ -0,0 +1,33 @@
+package org.teavm.classlib.java.lang.io;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+public class TFilterOutputStream extends TOutputStream {
+    protected TOutputStream out;
+
+    public TFilterOutputStream(TOutputStream out) {
+        this.out = out;
+    }
+
+    @Override
+    public void write(int b) throws TIOException {
+        out.write(b);
+    }
+
+    @Override
+    public void close() throws TIOException {
+        try {
+            out.flush();
+        } catch (TIOException e) {
+            // do nothing
+        }
+        close();
+    }
+
+    @Override
+    public void flush() throws TIOException {
+        out.flush();
+    }
+}

teavm-classlib/src/main/java/org/teavm/classlib/java/lang/io/TFlushable.java

@@ -0,0 +1,9 @@
+package org.teavm.classlib.java.lang.io;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+public interface TFlushable {
+    void flush() throws TIOException;
+}

teavm-classlib/src/main/java/org/teavm/classlib/java/lang/io/TIOException.java

@@ -0,0 +1,29 @@
+package org.teavm.classlib.java.lang.io;
+
+import org.teavm.classlib.java.lang.TException;
+import org.teavm.classlib.java.lang.TString;
+import org.teavm.classlib.java.lang.TThrowable;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+public class TIOException extends TException {
+    private static final long serialVersionUID = 3626109154700059455L;
+
+    public TIOException() {
+        super();
+    }
+
+    public TIOException(TString message, TThrowable cause) {
+        super(message, cause);
+    }
+
+    public TIOException(TString message) {
+        super(message);
+    }
+
+    public TIOException(TThrowable cause) {
+        super(cause);
+    }
+}

teavm-classlib/src/main/java/org/teavm/classlib/java/lang/io/TOutputStream.java

@@ -0,0 +1,29 @@
+package org.teavm.classlib.java.lang.io;
+
+import org.teavm.classlib.java.lang.TObject;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+public abstract class TOutputStream extends TObject implements TCloseable, TFlushable {
+    public abstract void write(int b) throws TIOException;
+
+    public void write(byte[] b) throws TIOException {
+        write(b, 0, b.length);
+    }
+
+    public void write(byte[] b, int off, int len) throws TIOException {
+        for (int i = 0; i < len; ++i) {
+            write(b[off++]);
+        }
+    }
+
+    @Override
+    public void close() throws TIOException {
+    }
+
+    @Override
+    public void flush() throws TIOException {
+    }
+}

teavm-classlib/src/main/java/org/teavm/classlib/java/lang/io/TPrintStream.java

@@ -0,0 +1,112 @@
+package org.teavm.classlib.java.lang.io;
+
+import org.teavm.classlib.java.lang.TStringBuilder;
+
+/**
+ *
+ * @author Alexey Andreev
+ */
+public class TPrintStream extends TFilterOutputStream {
+    private boolean autoFlush;
+    private boolean errorState;
+    private TStringBuilder sb = new TStringBuilder();
+    private char[] buffer = new char[32];
+
+    public TPrintStream(TOutputStream out, boolean autoFlush) {
+        super(out);
+        this.autoFlush = autoFlush;
+    }
+
+    public TPrintStream(TOutputStream out) {
+        this(out, false);
+    }
+
+    public boolean checkError() {
+        flush();
+        return errorState;
+    }
+
+    protected void setError() {
+        errorState = true;
+    }
+
+    protected void clearError() {
+        errorState = false;
+    }
+
+    @Override
+    public void write(int b) {
+        if (!check()) {
+            return;
+        }
+        try {
+            out.write(b);
+        } catch (TIOException e) {
+            errorState = true;
+        }
+        if (autoFlush && !errorState) {
+            flush();
+        }
+    }
+
+    @Override
+    public void write(byte[] b, int off, int len) {
+        if (!check()) {
+            return;
+        }
+        try {
+            out.write(b, off, len);
+        } catch (TIOException e) {
+            errorState = true;
+        }
+    }
+
+    @Override
+    public void close() throws TIOException {
+        if (!checkError()) {
+            return;
+        }
+        try {
+            out.close();
+        } catch (TIOException e) {
+            errorState = true;
+        } finally {
+            out = null;
+        }
+    }
+
+    @Override
+    public void flush() throws TIOException {
+        if (!check()) {
+            return;
+        }
+        try {
+            out.flush();
+        } catch (TIOException e) {
+            errorState = true;
+        }
+    }
+
+    private boolean check() {
+        if (out == null) {
+            errorState = true;
+        }
+        return !errorState;
+    }
+
+    public void print(char[] s) {
+
+    }
+
+    public void print(int i) {
+        sb.append(i);
+        printSB();
+    }
+
+    private void printSB() {
+        char[] buffer = sb.length() > this.buffer.length ? new char[sb.length()] : this.buffer;
+        sb.getChars(0, sb.length(), buffer, 0);
+        print(buffer);
+        sb.setLength(0);
+    }
+}

teavm-classlib/src/test/java/org/teavm/classlib/java/lang/ClassTest.java

@@ -7,7 +7,7 @@ import org.junit.Test;
  *
  * @author Alexey Andreev
  */
-public class ClassTests {
+public class ClassTest {
     @Test
     public void classNameEvaluated() {
         assertEquals("java.lang.Object", Object.class.getName());

teavm-classlib/src/test/java/org/teavm/classlib/java/lang/ObjectTest.java

@@ -7,7 +7,7 @@ import org.junit.Test;
  *
  * @author Alexey Andreev
  */
-public class ObjectTests {
+public class ObjectTest {
     @Test
     public void objectCreated() {
         Object a = new Object();

teavm-classlib/src/test/java/org/teavm/classlib/java/lang/StringBuilderTest.java

@@ -7,7 +7,7 @@ import org.junit.Test;
  *
  * @author Alexey Andreev
  */
-public class StringBuilderTests {
+public class StringBuilderTest {
     @Test
     public void integerAppended() {
         StringBuilder sb = new StringBuilder();

teavm-classlib/src/test/java/org/teavm/classlib/java/lang/StringTest.java

@@ -7,7 +7,7 @@ import org.junit.Test;
  *
  * @author Alexey Andreev <konsoletyper@gmail.com>
  */
-public class StringTests {
+public class StringTest {
     @Test
     public void charsExtracted() {
         String str = "123";

teavm-classlib/src/test/java/org/teavm/classlib/java/lang/SystemTest.java

@@ -7,7 +7,7 @@ import org.junit.Test;
  *
  * @author Alexey Andreev
  */
-public class SystemTests {
+public class SystemTest {
     @Test
     public void copiesArray() {
         Object a = new Object();

teavm-classlib/src/test/java/org/teavm/classlib/java/lang/VMTest.java

@@ -7,7 +7,7 @@ import org.junit.Test;
  *
  * @author Alexey Andreev
  */
-public class VMTests {
+public class VMTest {
     @Test
     public void multiArrayCreated() {
         int[][] array = new int[2][3];

teavm-maven-plugin/src/main/java/org/teavm/maven/BuildJavascriptJUnitMojo.java

@@ -129,10 +129,14 @@ public class BuildJavascriptJUnitMojo extends AbstractMojo {
                 }
                 allTestsWriter.write("], function() {}); }");
             }
+            int methodsGenerated = 0;
+            log.info("Generating test files");
             for (MethodReference method : testMethods) {
-                log.info("Building test for " + method);
+                log.debug("Building test for " + method);
                 decompileClassesForTest(classLoader, method, fileNames.get(method));
+                ++methodsGenerated;
             }
+            log.info("Test files successfully generated for " + methodsGenerated + " method(s)");
         } catch (IOException e) {
             throw new MojoFailureException("IO error occured generating JavaScript files", e);
         }

teavm-maven-plugin/src/main/java/org/teavm/maven/BuildJavascriptMojo.java

@@ -14,6 +14,9 @@ import org.apache.maven.plugins.annotations.Mojo;
 import org.apache.maven.plugins.annotations.Parameter;
 import org.apache.maven.project.MavenProject;
 import org.teavm.javascript.JavascriptBuilder;
+import org.teavm.model.MethodDescriptor;
+import org.teavm.model.MethodReference;
+import org.teavm.model.ValueType;
 
 /**
  *
@@ -36,6 +39,9 @@ public class BuildJavascriptMojo extends AbstractMojo {
     @Parameter
     private boolean minifiying = true;
 
+    @Parameter
+    private String mainClass;
+
     public void setProject(MavenProject project) {
         this.project = project;
     }
@@ -60,6 +66,10 @@ public class BuildJavascriptMojo extends AbstractMojo {
             log.info("Building JavaScript file");
             JavascriptBuilder builder = new JavascriptBuilder(classLoader);
             builder.setMinifying(minifiying);
+            MethodDescriptor mainMethodDesc = new MethodDescriptor("main", ValueType.arrayOf(
+                    ValueType.object("java.lang.String")), ValueType.VOID);
+            builder.entryPoint("main", new MethodReference(mainClass, mainMethodDesc))
+                    .withValue(1, "java.lang.String");
             builder.build(targetFile);
             log.info("JavaScript file successfully built");
         } catch (RuntimeException e) {