com.github.mustachejava.codes.PartialCode Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of compiler Show documentation

Implementation of mustache.js for Java

There is a newer version: 0.9.14

package com.github.mustachejava.codes;

import com.github.mustachejava.*;

import java.io.IOException;
import java.io.Writer;
import java.util.concurrent.ExecutorService;

public class PartialCode extends DefaultCode {
  private final DefaultMustacheFactory cf;
  private final ExecutorService les;
  protected final String extension;
  protected Mustache partial;

  protected PartialCode(TemplateContext tc, DefaultMustacheFactory cf, Mustache mustache, String type, String variable) {
    super(tc, cf.getObjectHandler(), mustache, variable, type);
    this.cf = cf;
    // Use the  name of the parent to get the name of the partial
    int index = tc.file().lastIndexOf(".");
    extension = index == -1 ? "" : tc.file().substring(index);
    les = cf.getExecutorService();
  }

  public PartialCode(TemplateContext tc, DefaultMustacheFactory cf, String variable) {
    this(tc, cf, null, ">", variable);
  }

  @Override
  public void identity(Writer writer) {
    try {
      if (name != null) {
        super.tag(writer, type);
      }
      appendText(writer);
    } catch (IOException e) {
      throw new MustacheException(e);
    }
  }

  @Override
  public Code[] getCodes() {
    return partial == null ? null : partial.getCodes();
  }

  @Override
  public void setCodes(Code[] newcodes) {
    partial.setCodes(newcodes);
  }

  @Override
  public Writer execute(Writer writer, final Object[] scopes) {
    return appendText(partial.execute(writer, scopes));
  }

  @Override
  public synchronized void init() {
    partial = cf.compile(partialName());
    if (partial == null) {
      throw new MustacheException("Failed to compile partial: " + name);
    }
  }

  /**
   * Builds the file name to be included by this partial tag. Default implementation ppends the tag contents with
   * the current file's extension.
   *
   * @return The filename to be included by this partial tag
   */
  protected String partialName() {
    return name + extension;
  }

}