ROASTER-1: Java Statement Fluent Model

api/src/main/java/org/jboss/forge/roaster/model/Block.java

@@ -0,0 +1,21 @@
+/*
+ * Copyright 2014 Red Hat, Inc. and/or its affiliates.
+ *
+ * Licensed under the Eclipse Public License version 1.0, available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.jboss.forge.roaster.model;
+
+import org.jboss.forge.roaster.Origin;
+import org.jboss.forge.roaster.model.source.BlockHolder;
+
+/**
+ * Represent a block, a sequence of statements possibly including other blocks
+ */
+public interface Block<O extends JavaType<O>,
+                       P extends BlockHolder<O>>
+        extends Origin<P>,
+                BlockHolder<O> {
+
+}

api/src/main/java/org/jboss/forge/roaster/model/ExpressionHolder.java

@@ -0,0 +1,12 @@
+/*
+ * Copyright 2014 Red Hat, Inc. and/or its affiliates.
+ *
+ * Licensed under the Eclipse Public License version 1.0, available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.jboss.forge.roaster.model;
+
+public interface ExpressionHolder<O extends JavaType<O>> {
+
+}

api/src/main/java/org/jboss/forge/roaster/model/JavaClass.java

@@ -8,6 +8,7 @@
 package org.jboss.forge.roaster.model;
 
 import org.jboss.forge.roaster.Roaster;
+import org.jboss.forge.roaster.model.source.JavaClassSource;
 
 /**
  * Represents a Java {@code class} type. See {@link Roaster} for various options in generating {@link JavaClass}
@@ -32,5 +33,4 @@ public interface JavaClass<O extends JavaClass<O>> extends
     * @return <code>true</code> if this {@link JavaClass} represents a local class.
     */
    public boolean isLocalClass();
-
 }

api/src/main/java/org/jboss/forge/roaster/model/expressions/AccessBuilder.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright 2014 Red Hat, Inc. and/or its affiliates.
+ *
+ * Licensed under the Eclipse Public License version 1.0, available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.jboss.forge.roaster.model.expressions;
+
+
+import org.jboss.forge.roaster.model.ExpressionHolder;
+import org.jboss.forge.roaster.model.source.JavaSource;
+
+/**
+ * Abstract factory interface that supports the construction of accessor expressions, in source format
+ * The expression returns an object with accessible fields, accessors and methods
+ *
+ * @author <a href="dsotty@gmail.com">Davide Sottara</a>
+ */
+public interface AccessBuilder<O extends JavaSource<O>,
+      P extends ExpressionHolder<O>,
+      E extends NonPrimitiveExpression<O,P,E>>
+{
+
+   /**
+    * Returns a field access expression
+    * Can be invoked on a parent expression
+    * @param field   The name of the field
+    * @return a field accessor
+    */
+   public Field<O,E> field(String field);
+
+   /**
+    * Returns a getter expression
+    * Can be invoked on a parent expression
+    * @param field   The name of the field
+    * @param klass   The name of the type of the field
+    * @return a getter method invocation expression
+    */
+   public Getter<O,E> getter(String field, String klass);
+
+   /**
+    * Returns a getter expression
+    * Can be invoked on a parent expression
+    * @param field   The name of the field
+    * @param klass   The type of the field
+    * @return a getter method invocation expression
+    */
+   public Getter<O,E> getter(String field, Class klass);
+
+   /**
+    * Returns a setter expression
+    * Can be invoked on a parent expression
+    * @param field   The name of the field
+    * @param klass   The name of the type of the field
+    * @param value   The expression returning the value to be set
+    * @return a setter method invocation expression
+    */
+   public Setter<O,E> setter(String field, String klass, ExpressionSource<?,?,?> value);
+
+   /**
+    * Returns a setter expression
+    * Can be invoked on a parent expression
+    * @param field   The name of the field
+    * @param klass   The type of the field
+    * @param value   The expression returning the value to be set
+    * @return a setter method invocation expression
+    */
+   public Setter<O,E> setter(String field, Class klass, ExpressionSource<?,?,?> value);
+
+   /**
+    * Returns a method invocation expression
+    * Can be invoked on a parent expression
+    * @param method  The name of the method
+    * @return a method invocation expression
+    */
+   public MethodCallExpression<O,E> invoke(String method);
+
+   /**
+    * Returns an array indexing expression
+    * Can be invoked on a parent expression
+    * @param index  The expression returning the index used for accessing the array
+    * @return an array indexing expression
+    */
+   public ArrayIndexer<O,E> itemAt(ExpressionSource<?,?,?> index);
+
+}

api/src/main/java/org/jboss/forge/roaster/model/expressions/Accessor.java

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2014 Red Hat, Inc. and/or its affiliates.
+ *
+ * Licensed under the Eclipse Public License version 1.0, available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.jboss.forge.roaster.model.expressions;
+
+import org.jboss.forge.roaster.model.ExpressionHolder;
+import org.jboss.forge.roaster.model.source.JavaSource;
+
+/**
+ * Abstract interface that represents accessors (getters, fields, etc..) in source format
+ *
+ * @author <a href="dsotty@gmail.com">Davide Sottara</a>
+ */
+public interface Accessor<O extends JavaSource<O>,
+      P extends ExpressionHolder<O>,
+      E extends NonPrimitiveExpression<O,P,E>>
+      extends Argument<O,P,E>,
+      AccessBuilder<O,P,E>
+{
+
+}

api/src/main/java/org/jboss/forge/roaster/model/expressions/Argument.java

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2014 Red Hat, Inc. and/or its affiliates.
+ *
+ * Licensed under the Eclipse Public License version 1.0, available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.jboss.forge.roaster.model.expressions;
+
+
+import org.jboss.forge.roaster.model.ExpressionHolder;
+import org.jboss.forge.roaster.model.source.JavaSource;
+
+/**
+ * Abstract marker interface that represents operation or method arguments in source format
+ *
+ * @author <a href="dsotty@gmail.com">Davide Sottara</a>
+ */
+public interface Argument<O extends JavaSource<O>,
+      P extends ExpressionHolder<O>,
+      E extends ExpressionSource<O,P,E>>
+      extends ExpressionSource<O,P,E>
+{
+
+}

api/src/main/java/org/jboss/forge/roaster/model/expressions/ArgumentHolder.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2014 Red Hat, Inc. and/or its affiliates.
+ *
+ * Licensed under the Eclipse Public License version 1.0, available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.jboss.forge.roaster.model.expressions;
+
+import org.jboss.forge.roaster.model.ExpressionHolder;
+import org.jboss.forge.roaster.model.source.JavaSource;
+
+import java.util.List;
+
+/**
+ * Abstract marker interface that represents expressions requiring arguments
+ *
+ * @author <a href="dsotty@gmail.com">Davide Sottara</a>
+ */
+public interface ArgumentHolder<O extends JavaSource<O>,
+      P extends ExpressionHolder<O>,
+      E extends NonPrimitiveExpression<O,P,?>>
+      extends ExpressionHolder<O>
+{
+
+   /**
+    * Adds an argument to the expression
+    * @param arg  The argument to be added
+    * @return  The expression itself
+    */
+   public E addArgument(Argument<?,?,?> arg);
+
+   /**
+    * Returns the current list of arguments
+    * @return  An immutable list containing the arguments
+    */
+   public List<Argument<O,E,?>> getArguments();
+}

api/src/main/java/org/jboss/forge/roaster/model/expressions/ArrayConstructorExpression.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright 2014 Red Hat, Inc. and/or its affiliates.
+ *
+ * Licensed under the Eclipse Public License version 1.0, available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.jboss.forge.roaster.model.expressions;
+
+import org.jboss.forge.roaster.model.ExpressionHolder;
+import org.jboss.forge.roaster.model.source.JavaSource;
+
+import java.util.List;
+
+/**
+ * Represent an array constructor expression in source format
+ *
+ * @author <a href="dsotty@gmail.com">Davide Sottara</a>
+ */
+public interface ArrayConstructorExpression<O extends JavaSource<O>,
+      P extends ExpressionHolder<O>>
+      extends Argument<O,P,ArrayConstructorExpression<O,P>>,
+      NonPrimitiveExpression<O,P,ArrayConstructorExpression<O,P>>
+{
+
+   /**
+    * Adds a dimension to the array, allocating <code>dim</code> slots
+    * @param dim  the number of elements in the new array dimension
+    * @return  The <code>ArrayConstructorExpression/code> itself
+    */
+   public ArrayConstructorExpression<O,P> addDimension(ExpressionSource<?,?,?> dim);
+
+   /**
+    * Initializes the array using an <code>ArrayInit</code> expressoin
+    * @param array  the initial value for the array variable
+    * @return  The <code>ArrayConstructorExpression/code> itself
+    */
+   public ArrayConstructorExpression<O,P> init(ArrayInit<?,?> array);
+
+   /**
+    * Returns the array initialization expression, or null if none has been set
+    * @return An <code>ArrayInit</code> expression
+    */
+   public ArrayInit<O,ArrayConstructorExpression<O,P>> getInit();
+
+   /**
+    * Returns the expressions defining the number of slots for each array dimension
+    * @return An immutable list containing the expressions initializing each dimension
+    */
+   public List<ExpressionSource<O,ArrayConstructorExpression<O,P>,?>> getDimensions();
+
+   /**
+    * Returns the number of dimensions of the array being constructed
+    * @return the number of dimensions for this array
+    */
+   public int getDimension();
+}

api/src/main/java/org/jboss/forge/roaster/model/expressions/ArrayIndexer.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2014 Red Hat, Inc. and/or its affiliates.
+ *
+ * Licensed under the Eclipse Public License version 1.0, available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.jboss.forge.roaster.model.expressions;
+
+import org.jboss.forge.roaster.model.ExpressionHolder;
+import org.jboss.forge.roaster.model.source.JavaSource;
+
+/**
+ * Represent an array indexing expression in source format
+ *
+ * @author <a href="dsotty@gmail.com">Davide Sottara</a>
+ */
+public interface ArrayIndexer<O extends JavaSource<O>, P extends ExpressionHolder<O>>
+      extends OrdinalArgument<O,P,ArrayIndexer<O,P>>,
+      NonPrimitiveExpression<O,P,ArrayIndexer<O,P>>,
+      InvocationTargetHolder<O,P,ArrayIndexer<O,P>>
+{
+
+   /**
+    * Returns the expression returning the index to be accessed
+    * @return The expression returning the index used by this <code>ArrayIndexer</code>
+    */
+   public ExpressionSource<O,ArrayIndexer<O,P>,?> getIndex();
+
+   /**
+    * Sets the expression returning the index to be used for accessing the array
+    * @param index   An expression returning an integer, used to access the array
+    * @return The <code>ArrayIndexer</code> itself
+    */
+   public ArrayIndexer<O,P> setIndex(ExpressionSource<?,?,?> index);
+
+}

api/src/main/java/org/jboss/forge/roaster/model/expressions/ArrayInit.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright 2014 Red Hat, Inc. and/or its affiliates.
+ *
+ * Licensed under the Eclipse Public License version 1.0, available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.jboss.forge.roaster.model.expressions;
+
+
+import org.jboss.forge.roaster.model.ExpressionHolder;
+import org.jboss.forge.roaster.model.source.JavaSource;
+
+import java.util.List;
+
+/**
+ * Represent an array constructor expression in source format
+ *
+ * @author <a href="dsotty@gmail.com">Davide Sottara</a>
+ */
+public interface ArrayInit<O extends JavaSource<O>, P extends ExpressionHolder<O>>
+      extends ExpressionSource<O,P,ArrayInit<O,P>>,
+      NonPrimitiveExpression<O,P,ArrayInit<O,P>>
+{
+
+   /**
+    * Adds a sub-array literal to this array constructing expression
+    * @param subRow  The sub-array
+    * @return  The <code>ArrayInit</code> itself
+    */
+   public ArrayInit<O,P> addElement(ArrayInit<?,?> subRow);
+
+   /**
+    * Adds an element to this array constructing expression
+    * @param subElement The expression returning the element to be addeed to the array
+    * @return  The <code>ArrayInit</code> itself
+    */
+   public ArrayInit<O,P> addElement(ExpressionSource<?,?,?> subElement);
+
+   /**
+    * Returns the current elements used to initialize the array
+    * @return  An immutable list containing the element expressions
+    */
+   public List<ExpressionSource<O,ArrayInit<O,P>,?>> getElements();
+
+   /**
+    * Counts and returns the number of elements in this array
+    * @return
+    */
+   public int size();
+
+   /**
+    * Returns the number of dimensions in the array, as inferred by the init expressions
+    * Example : { {1}, {2}, {3} } size() is 3, but getDimension() is 2
+    * @return the dimension
+    */
+   public int getDimension();
+
+}