TagCycleException.java

package com.hubspot.jinjava.interpret;

import java.util.Optional;

public class TagCycleException extends TemplateStateException {
  private static final long serialVersionUID = -3058494056577268723L;

  private final String path;
  private final String tagName;

  public TagCycleException(String tagName, String path, int lineNumber) {
    super(tagName + " tag cycle for '" + path + "'", lineNumber);

    this.path = path;
    this.tagName = tagName;
  }

  public String getPath() {
    return path;
  }

  public String getTagName() {
    return tagName;
  }

  public static TagCycleException create(Class<? extends TagCycleException> clazz, String path, Optional<Integer> linenumber) {

    final Integer line = linenumber.orElse(-1);

    if (clazz != null) {
      if (clazz.equals(ExtendsTagCycleException.class)) {
        return new ExtendsTagCycleException(path, line);
      } else if (clazz.equals(ImportTagCycleException.class)) {
        return new ImportTagCycleException(path, line);
      } else if (clazz.equals(IncludeTagCycleException.class)) {
        return new IncludeTagCycleException(path, line);
      } else if (clazz.equals(MacroTagCycleException.class)) {
        return new MacroTagCycleException(path, line);
      }
    }

    return new TagCycleException("", path, line);
  }

}