ASTParserUtils.java

package ru.naumen.gintonic.utils;

import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.dom.AST;
import org.eclipse.jdt.core.dom.ASTParser;
import org.eclipse.jdt.core.dom.Block;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jdt.core.dom.Statement;
import org.eclipse.jdt.core.dom.TypeDeclaration;

public class ASTParserUtils {

	/**
	 * synonym for parseCompilationUnitAst3(compilationUnit, true, false);
	 */
	public static CompilationUnit parseCompilationUnitAst3(
			ICompilationUnit compilationUnit) {
		return parseCompilationUnitAst3(compilationUnit, true, false);
	}

	public static CompilationUnit parseCompilationUnitAst3(
			ICompilationUnit compilationUnit, boolean resolveBindings,
			boolean recoverBindings) {
		@SuppressWarnings("deprecation")
        ASTParser astParser = ASTParser.newParser(AST.JLS3);

		astParser.setSource(compilationUnit);
		astParser.setResolveBindings(resolveBindings);
		astParser.setBindingsRecovery(recoverBindings);
		astParser.setKind(ASTParser.K_COMPILATION_UNIT);

		CompilationUnit astRoot = (CompilationUnit) astParser.createAST(null);
		return astRoot;
	}

	public static Statement parseStatementAst3(String statementAsString) {
		@SuppressWarnings("deprecation")
        ASTParser astParser = ASTParser.newParser(AST.JLS3);
		astParser.setSource(statementAsString.toCharArray());
		astParser.setKind(ASTParser.K_STATEMENTS);
		astParser.setResolveBindings(true);
		Block astBindingExpr = (Block) astParser.createAST(null);
		Statement statement = (Statement) astBindingExpr.statements().get(0);
		return statement;
	}

	public static TypeDeclaration parseTypeDeclaration(String methodCode) {
		@SuppressWarnings("deprecation")
        ASTParser astParser = ASTParser.newParser(AST.JLS3);
		astParser.setSource(methodCode.toCharArray());
		astParser.setKind(ASTParser.K_CLASS_BODY_DECLARATIONS);
		astParser.setResolveBindings(true);
		TypeDeclaration typeDeclaration = (TypeDeclaration) astParser.createAST(null);
		return typeDeclaration;
	}

}