org.apache.plc4x.java.s7.readwrite.S7VarPayloadDataItem Maven / Gradle / Ivy

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Implementation of a PLC4X driver for the classic Step7 S7 protocol.
There is a newer version: 0.12.0
/*
  Licensed to the Apache Software Foundation (ASF) under one
  or more contributor license agreements.  See the NOTICE file
  distributed with this work for additional information
  regarding copyright ownership.  The ASF licenses this file
  to you 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 org.apache.plc4x.java.s7.readwrite;

import static org.apache.plc4x.java.spi.generation.StaticHelper.*;

import org.apache.plc4x.java.s7.readwrite.io.*;
import org.apache.plc4x.java.s7.readwrite.types.*;

import com.fasterxml.jackson.annotation.*;
import org.apache.commons.lang3.builder.ToStringBuilder;
import org.apache.commons.lang3.builder.ToStringStyle;
import org.apache.plc4x.java.api.value.*;
import org.apache.plc4x.java.spi.generation.Message;
import org.apache.plc4x.java.spi.generation.MessageIO;

import java.time.*;
import java.util.*;
import java.math.BigInteger;

@JsonTypeInfo(use = JsonTypeInfo.Id.CLASS, property = "className")
public class S7VarPayloadDataItem implements Message {


    // Properties.
    private final DataTransportErrorCode returnCode;
    private final DataTransportSize transportSize;
    private final int dataLength;
    private final byte[] data;

    @JsonCreator(mode = JsonCreator.Mode.PROPERTIES)
    public S7VarPayloadDataItem(@JsonProperty("returnCode") DataTransportErrorCode returnCode, @JsonProperty("transportSize") DataTransportSize transportSize, @JsonProperty("dataLength") int dataLength, @JsonProperty("data") byte[] data) {
        this.returnCode = returnCode;
        this.transportSize = transportSize;
        this.dataLength = dataLength;
        this.data = data;
    }

    public DataTransportErrorCode getReturnCode() {
        return returnCode;
    }

    public DataTransportSize getTransportSize() {
        return transportSize;
    }

    public int getDataLength() {
        return dataLength;
    }

    public byte[] getData() {
        return data;
    }

    @Override
    @JsonIgnore
    public int getLengthInBytes() {
        return getLengthInBits() / 8;
    }

    @Override
    @JsonIgnore
    public int getLengthInBits() {
        int lengthInBits = 0;

        // Enum Field (returnCode)
        lengthInBits += 8;

        // Enum Field (transportSize)
        lengthInBits += 8;

        // Simple field (dataLength)
        lengthInBits += 16;

        // Array field
        lengthInBits += 8 * data.length;

        // Padding Field (pad)
        if((boolean) ((!(false)) && (((((COUNT(data)) % (2))) == (1))))) {
            lengthInBits += 8;
        }

        return lengthInBits;
    }

    public PlcValue toPlcValue() {
        Map fieldValues = new TreeMap<>();

        fieldValues.put("returnCode", new PlcString(returnCode.name()));

        fieldValues.put("transportSize", new PlcString(transportSize.name()));

        fieldValues.put("dataLength", PlcValues.of(dataLength));

        {
            List plcValues = new ArrayList<>(data.length);
            for(byte item : data) {
                plcValues.add(PlcValues.of(item));
            }
            fieldValues.put("data", new PlcList(plcValues));
        }

        return new PlcStruct(fieldValues);
    }

    @Override
    @JsonIgnore
    public MessageIO getMessageIO() {
        return new S7VarPayloadDataItemIO();
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (!(o instanceof S7VarPayloadDataItem)) {
            return false;
        }
        S7VarPayloadDataItem that = (S7VarPayloadDataItem) o;
        return
            (getReturnCode() == that.getReturnCode()) &&
            (getTransportSize() == that.getTransportSize()) &&
            (getDataLength() == that.getDataLength()) &&
            (getData() == that.getData()) &&
            true;
    }

    @Override
    public int hashCode() {
        return Objects.hash(
            getReturnCode(),
            getTransportSize(),
            getDataLength(),
            getData()
        );
    }

    @Override
    public String toString() {
        return toString(ToStringStyle.SHORT_PREFIX_STYLE);
    }

    public String toString(ToStringStyle style) {
        return new ToStringBuilder(this, style)
            .append("returnCode", getReturnCode())
            .append("transportSize", getTransportSize())
            .append("dataLength", getDataLength())
            .append("data", getData())
            .toString();
    }

}