com.telenordigital.sms.smpp.pdu.TlvMap Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of sms-smpp Show documentation

A smpp client library implementing SMPP specification from https://smpp.org.

There is a newer version: 1.18

package com.telenordigital.sms.smpp.pdu;

/*-
 * #%L
 * sms-smpp
 * %%
 * Copyright (C) 2022 Telenor Digital
 * %%
 * 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.
 * #L%
 */

import java.util.EnumMap;
import java.util.Map;
import java.util.Optional;
import java.util.Set;

public class TlvMap {
  private static final String TYPE_MISMATCH = "TLV type mismatch";
  public static final Set STRING_TYPES = Set.of(TlvType.OCTET_STRING, TlvType.C_STRING);

  private final Map bytes = new EnumMap<>(TlvTag.class);
  private final Map byteArrays = new EnumMap<>(TlvTag.class);
  private final Map strings = new EnumMap<>(TlvTag.class);

  public void putByte(final TlvTag tag, final byte value) {
    if (tag.type != TlvType.BYTE) {
      throw new IllegalArgumentException(TYPE_MISMATCH);
    }
    bytes.put(tag, value);
  }

  public void putByteArray(final TlvTag tag, final byte[] value) {
    if (tag.type != TlvType.BYTE_ARRAY) {
      throw new IllegalArgumentException(TYPE_MISMATCH);
    }
    byteArrays.put(tag, value);
  }

  public void putString(final TlvTag tag, final String value) {
    if (!STRING_TYPES.contains(tag.type)) {
      throw new IllegalArgumentException(TYPE_MISMATCH);
    }
    strings.put(tag, value);
  }

  public Optional getByte(final TlvTag tag) {
    if (tag.type != TlvType.BYTE) {
      throw new IllegalArgumentException(TYPE_MISMATCH);
    }
    return Optional.ofNullable(bytes.get(tag));
  }

  public Optional getByteArray(final TlvTag tag) {
    if (tag.type != TlvType.BYTE_ARRAY) {
      throw new IllegalArgumentException(TYPE_MISMATCH);
    }
    return Optional.ofNullable(byteArrays.get(tag));
  }

  public Optional getString(final TlvTag tag) {
    if (!STRING_TYPES.contains(tag.type)) {
      throw new IllegalArgumentException(TYPE_MISMATCH);
    }
    return Optional.ofNullable(strings.get(tag));
  }
}