public void testClassDecl() { final NewExpression newExpression = Expressions.new_( Object.class, Collections.<Expression>emptyList(), Arrays.<MemberDeclaration>asList( new FieldDeclaration( Modifier.PUBLIC | Modifier.FINAL, new ParameterExpression(String.class, "foo"), Expressions.constant("bar")), new ClassDeclaration( Modifier.PUBLIC | Modifier.STATIC, "MyClass", null, Collections.<Type>emptyList(), Arrays.<MemberDeclaration>asList( new FieldDeclaration( 0, new ParameterExpression(int.class, "x"), Expressions.constant(0)))), new FieldDeclaration(0, new ParameterExpression(int.class, "i"), null))); assertEquals( "new Object(){\n" + " public final String foo = \"bar\";\n" + " public static class MyClass {\n" + " int x = 0;\n" + " }\n" + " int i;\n" + "}", Expressions.toString(newExpression)); }
public void testBlockBuilder2() { BlockBuilder statements = new BlockBuilder(); Expression element = statements.append("element", Expressions.constant(null)); Expression comparator = statements.append("comparator", Expressions.constant(null, Comparator.class)); Expression treeSet = statements.append("treeSet", Expressions.new_(TreeSet.class, Arrays.asList(comparator))); statements.add(Expressions.return_(null, Expressions.call(treeSet, "add", element))); assertEquals( "{\n" + " final java.util.Comparator comparator = null;\n" + " final java.util.TreeSet treeSet = new java.util.TreeSet(\n" + " comparator);\n" + " return treeSet.add(null);\n" + "}\n", Expressions.toString(statements.toBlock())); }
public void testWriteAnonymousClass() { // final List<String> baz = Arrays.asList("foo", "bar"); // new AbstractList<String>() { // public int size() { // return baz.size(); // } // public String get(int index) { // return ((String) baz.get(index)).toUpperCase(); // } // } final ParameterExpression bazParameter = Expressions.parameter(Types.of(List.class, String.class), "baz"); final ParameterExpression indexParameter = Expressions.parameter(Integer.TYPE, "index"); BlockExpression e = Expressions.block( Expressions.declare( Modifier.FINAL, bazParameter, Expressions.call( Arrays.class, "asList", Arrays.<Expression>asList( Expressions.constant("foo"), Expressions.constant("bar")))), Expressions.statement( Expressions.new_( Types.of(AbstractList.class, String.class), Collections.<Expression>emptyList(), Arrays.<MemberDeclaration>asList( Expressions.fieldDecl( Modifier.PUBLIC | Modifier.FINAL, Expressions.parameter(String.class, "qux"), Expressions.constant("xyzzy")), Expressions.methodDecl( Modifier.PUBLIC, Integer.TYPE, "size", Collections.<ParameterExpression>emptyList(), Blocks.toFunctionBlock( Expressions.call( bazParameter, "size", Collections.<Expression>emptyList()))), Expressions.methodDecl( Modifier.PUBLIC, String.class, "get", Arrays.asList(indexParameter), Blocks.toFunctionBlock( Expressions.call( Expressions.convert_( Expressions.call( bazParameter, "get", Arrays.<Expression>asList(indexParameter)), String.class), "toUpperCase", Collections.<Expression>emptyList()))))))); assertEquals( "{\n" + " final java.util.List<String> baz = java.util.Arrays.asList(\"foo\", \"bar\");\n" + " new java.util.AbstractList<String>(){\n" + " public final String qux = \"xyzzy\";\n" + " public int size() {\n" + " return baz.size();\n" + " }\n" + "\n" + " public String get(int index) {\n" + " return ((String) baz.get(index)).toUpperCase();\n" + " }\n" + "\n" + " };\n" + "}\n", Expressions.toString(e)); }