com.effektif.workflow.impl.template.TextTemplate Maven / Gradle / Ivy

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/*
 * Copyright 2014 Effektif GmbH.
 *
 * 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.effektif.workflow.impl.template;

import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import com.effektif.workflow.impl.WorkflowParser;
import com.effektif.workflow.impl.data.TypedValueImpl;
import com.effektif.workflow.impl.workflow.ExpressionImpl;
import com.effektif.workflow.impl.workflowinstance.ScopeInstanceImpl;

/**
 * @author Tom Baeyens
 */
public class TextTemplate {

  private static final Pattern BINDING_PATTERN = Pattern.compile("\\{\\{(.+?)\\}\\}");

  public List elements = new ArrayList<>();
  public Hints hints;
  
  public TextTemplate(String templateText, Hint[] hints, WorkflowParser parser) {
    if (templateText!=null) {
      int expressionIndex = 0;
      int startScan = 0;
      Matcher matcher = BINDING_PATTERN.matcher(templateText);
      while (matcher.find()) {
        String expression = matcher.group(1);
        int start = matcher.start();
        if (startScan