/*
* Copyright 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.dev.generator.ast;
import java.util.List;
import java.util.Arrays;
/**
* A {@link Node} that represents a single Java statement.
*/
public class Statement extends BaseNode implements Statements {
private String code;
private Expression expression;
private final List<Statements> list;
/**
* Creates a new <code>Statement</code> from a {@link String} of code
* representing an {@link Expression}. Automatically appends a semicolon to
* <code>code</code>.
*
* @param code A textual {@link Expression}. Should not end with a semicolon.
*/
public Statement(String code) {
this.code = code;
this.list = Arrays.asList((Statements) this);
}
/**
* Creates a new <code>Statement</code> from an {@link Expression}.
*
* @param expression A non <code>null</code> {@link Expression}.
*/
public Statement(Expression expression) {
this.expression = expression;
this.list = Arrays.asList((Statements) this);
}
/**
* Returns this single <code>Statement</code> as a {@link java.util.List} of
* {@link Statement}s of size, one.
*/
public List<Statements> getStatements() {
return list;
}
@Override
public String toCode() {
if (expression != null) {
return expression.toCode() + ";";
} else {
return code + ";";
}
}
}