com.opentext.ia.sdk.sip.FixedHeaderAndFooterTemplate Maven / Gradle / Ivy

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A library that makes it quick and easy to create SIPs in InfoArchive

There is a newer version: 12.8.4

/*
 * Copyright (c) 2016-2017 by OpenText Corporation. All Rights Reserved.
 */
package com.opentext.ia.sdk.sip;

import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.nio.charset.StandardCharsets;

import org.apache.commons.io.IOUtils;

import com.opentext.ia.sdk.support.io.RuntimeIoException;

/**
 * {@linkplain Template} with fixed header and footer texts.
 * @param  The type of domain object to replace with text
 */
public abstract class FixedHeaderAndFooterTemplate implements Template {

  private final String header;
  private final String footer;

  /**
   * Create an instance.
   * @param header The fixed header
   * @param footer The fixed footer
   */
  public FixedHeaderAndFooterTemplate(InputStream header, InputStream footer) {
    this(toString(header), toString(footer));
  }

  protected static String toString(InputStream stream) {
    try (InputStream streamToClose = stream) {
      return IOUtils.toString(streamToClose, StandardCharsets.UTF_8);
    } catch (IOException e) {
      throw new RuntimeIoException(e);
    }
  }

  /**
   * Create an instance.
   * @param header The fixed header
   * @param footer The fixed footer
   */
  public FixedHeaderAndFooterTemplate(String header, String footer) {
    this.header = header;
    this.footer = footer;
  }

  @Override
  public void writeHeader(PrintWriter writer) {
    writer.println(header);
  }

  @Override
  public void writeFooter(PrintWriter writer) {
    writer.println(footer);
  }

}