org.mvel2.templates.res.CompiledCodeNode Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of virtdata-lib-realer Show documentation

With inspiration from other libraries

There is a newer version: 2.12.15

/**
 * MVEL 2.0
 * Copyright (C) 2007 The Codehaus
 * Mike Brock, Dhanji Prasanna, John Graham, Mark Proctor
 *
 * 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 org.mvel2.templates.res;

import org.mvel2.MVEL;
import org.mvel2.ParserContext;
import org.mvel2.integration.VariableResolverFactory;
import org.mvel2.templates.TemplateRuntime;
import org.mvel2.templates.util.TemplateOutputStream;

import java.io.Serializable;

public class CompiledCodeNode extends Node {
  private Serializable ce;

  public CompiledCodeNode() {
  }

  public CompiledCodeNode(int begin, String name, char[] template, int start, int end, ParserContext context) {
    this.begin = begin;
    this.name = name;
    this.contents = template;
    this.cStart = start;
    this.cEnd = end - 1;
    this.end = end;
    ce = MVEL.compileExpression(template, cStart, cEnd - cStart, context);

//        ce = MVEL.compileExpression(
//                this.contents = subset(template, this.cStart = start, (this.end = this.cEnd = end) - start - 1),
//                   context);
  }

  public Object eval(TemplateRuntime runtime, TemplateOutputStream appender, Object ctx, VariableResolverFactory factory) {
    MVEL.executeExpression(ce, ctx, factory);
    return next != null ? next.eval(runtime, appender, ctx, factory) : null;
  }

  public boolean demarcate(Node terminatingNode, char[] template) {
    return false;
  }

  public String toString() {
    return "CodeNode:" + name + "{" + (contents == null ? "" : new String(contents)) + "} (start=" + begin + ";end=" + end + ")";
  }
}