com.apicatalog.cbor.CborComparison Maven / Gradle / Ivy

Go to download
package com.apicatalog.cbor;

import java.util.Collection;
import java.util.Iterator;
import java.util.List;

import co.nstant.in.cbor.CborDecoder;
import co.nstant.in.cbor.CborException;
import co.nstant.in.cbor.model.Array;
import co.nstant.in.cbor.model.DataItem;
import co.nstant.in.cbor.model.Map;

public class CborComparison {

    public static final boolean equals(byte[] value1, byte[] value2) throws CborException {

        if (value1 == null || value2 == null) {
            return value1 == value2;
        }
    
        if (value1.length != value2.length) {
            return false;
        }
    
        final List decoded1 = CborDecoder.decode(value1);
        final List decoded2 = CborDecoder.decode(value2);
    
        if (decoded1 == null || decoded2 == null) {
            return decoded1 == decoded2;
        }
    
        return equals(decoded1, decoded2);
    }

    public static final boolean equals(Collection value1, Collection value2) {

        if (value1 == null || value2 == null) {
            return value1 == value2;
        }
    
        if (value1.size() != value2.size()) {
            return false;
        }
    
        Iterator it1 = value1.iterator();
        Iterator it2 = value2.iterator();
    
        while (it1.hasNext()) {
            if (!equals(it1.next(), it2.next())) {
                return false;
            }
        }
    	return true;
    }

    public static final boolean equals(DataItem value1, DataItem value2) {

        if (value1 == null || value2 == null) {
            return value1 == value2;
        }
    
        if (value1.getMajorType() != value2.getMajorType()) {
            return false;
        }
    
        switch (value1.getMajorType()) {
        case ARRAY:
            return equals(((Array)value1).getDataItems(), ((Array)value2).getDataItems());
    
        case MAP:
            return equals((Map)value1, (Map)value2);
    
        default:
            return value1.equals(value2);
        }
    }

    public static final boolean equals(Map value1, Map value2) {

        if (value1 == null || value2 == null) {
            return value1 == value2;
        }
    
        if (value1.getKeys().size() != value2.getKeys().size()) {
            return false;
        }
    
        final Iterator keys = value1.getKeys().iterator();
    
        while (keys.hasNext()) {
            final DataItem key = keys.next();
            if (!equals(value1.get(key), value2.get(key))) {
                return false;
            }
        }
        return true;
    }
}