Add support for try-catch-finally blocks

Author: cpythoud

build.xml

@@ -12,7 +12,7 @@
 
     <target name="compile" description="Compile code" depends="native2ascii">
         <mkdir dir="${build.classes}" />
-        <javac srcdir="${src-ascii.dir}" destdir="${build.classes}">
+        <javac srcdir="${src-ascii.dir}" destdir="${build.classes}" source="1.6" target="1.6" compiler="javac1.6">
             <classpath>
                 <fileset dir="${build.lib}">
                     <include name="**/*.jar"/>

src/org/jcodegen/java/CatchBlock.java

@@ -0,0 +1,103 @@
+package org.jcodegen.java;
+
+public class CatchBlock extends DeclarationWithArguments<CatchBlock> {
+
+    public CatchBlock(final FunctionArgument functionArgument) {
+        this(functionArgument, 0);
+    }
+
+    public CatchBlock(final String functionArgument) {
+        this(functionArgument, 0);
+    }
+
+    public CatchBlock(final FunctionArgument functionArgument, final int indentLevel) {
+        super("catch", indentLevel, "catch");
+        super.addArgument(functionArgument);
+    }
+
+    public CatchBlock(final String functionArgument, final int indentLevel) {
+        super("catch", indentLevel, "catch");
+        super.addArgument(functionArgument);
+    }
+
+    @Override
+    protected CatchBlock getThis() {
+        return this;
+    }
+
+    @Override
+    public CatchBlock addArgument(String arg) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public CatchBlock addArguments(String... args) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public CatchBlock addArgument(FunctionArgument arg) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public CatchBlock addArguments(FunctionArgument... args) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public CatchBlock addException(String ex) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public CatchBlock addExceptions(String... exex) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public CatchBlock visibility(Visibility visibility) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public CatchBlock markAsAbstract() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public CatchBlock markAsFinal() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public CatchBlock markAsStatic() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public CatchBlock markAsSynchronized() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public CatchBlock annotate(String annotations) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public String toString() {
+        final StringBuilder buf = new StringBuilder();
+
+        buf.append(" catch ");
+
+        appendArgumentList(buf);
+        buf.append(" ");
+
+        appendContent(buf);
+
+        buf.append("\n");
+
+        return buf.toString();
+    }
+}

src/org/jcodegen/java/FinallyBlock.java

@@ -0,0 +1,27 @@
+package org.jcodegen.java;
+
+public class FinallyBlock extends JavaCodeBlock<FinallyBlock> {
+
+    public FinallyBlock() {
+        this(0);
+    }
+
+    public FinallyBlock(int indentationLevel) {
+        super("finally", indentationLevel);
+    }
+
+    @Override
+    protected FinallyBlock getThis() {
+        return this;
+    }
+
+    @Override
+    public String toString() {
+        final StringBuilder buf = new StringBuilder();
+
+        buf.append(" finally ");
+        appendContent(buf);
+
+        return buf.toString();
+    }
+}

src/org/jcodegen/java/TryBlock.java

@@ -0,0 +1,51 @@
+package org.jcodegen.java;
+
+public class TryBlock extends JavaCodeBlock<TryBlock> {
+
+    private CatchBlock catchBlock;
+    private FinallyBlock finallyBlock;
+
+    public TryBlock() {
+        this(0);
+    }
+
+    public TryBlock(int indentationLevel) {
+        super("try", indentationLevel);
+    }
+
+    @Override
+    protected TryBlock getThis() {
+        return this;
+    }
+
+    public TryBlock addCatchBlock(CatchBlock catchBlock) {
+        this.catchBlock = catchBlock;
+        return this;
+    }
+
+    public TryBlock addFinallyBlock(FinallyBlock finallyBlock) {
+        this.finallyBlock = finallyBlock;
+        return this;
+    }
+
+    @Override
+    public String toString() {
+        final StringBuilder buf = new StringBuilder();
+
+        buf.append(getTabs()).append("try ");
+        appendContent(buf);
+
+        if (catchBlock != null) {
+            catchBlock.setIndentationLevel(getIndentationLevel());
+            buf.append(catchBlock);
+        }
+
+        if (finallyBlock != null) {
+            finallyBlock.setIndentationLevel(getIndentationLevel());
+            buf.append(finallyBlock);
+        }
+
+        return buf.toString();
+    }
+
+}