HttpRequestFailoverMatcher.java

package com.github.dreamhead.moco.model;

import com.github.dreamhead.moco.HttpMethod;
import com.github.dreamhead.moco.HttpProtocolVersion;
import com.github.dreamhead.moco.HttpRequest;
import com.google.common.base.Strings;

import java.util.Map;

public class HttpRequestFailoverMatcher {
    private final HttpRequest source;

    public HttpRequestFailoverMatcher(final HttpRequest source) {
        this.source = source;
    }

    public boolean match(final HttpRequest target) {
        return doMatch(source.getUri(), target.getUri())
                && doMatch(source.getVersion(), target.getVersion())
                && doMatch(source.getContent(), target.getContent())
                && doMatch(source.getHeaders(), target.getHeaders())
                && doMatch(source.getMethod(), target.getMethod())
                && doMatch(source.getQueries(), target.getQueries());
    }

    protected boolean doMatch(final Map<String, ?> thisField, final Map<String, ?> thatField) {
        if (thisField == null || thisField.isEmpty()) {
            return true;
        }

        for (Map.Entry<String, ?> entry : thisField.entrySet()) {
            Object thisValue = entry.getValue();
            Object thatValue = thatField.get(entry.getKey());
            if (thisValue instanceof String && thatValue instanceof String) {
                if (!doMatch((String) thisValue, (String) thatValue)) {
                    return false;
                }
            }

            if (thisValue instanceof String[] && thatValue instanceof String[]) {
                String[] thisValues = (String[]) thisValue;
                String[] thatValues = (String[]) thatValue;
                if (!doMatch(thisValues, thatValues)) {
                    return false;
                }
            }
        }

        return true;
    }

    private boolean doMatch(final String[] thisValues, final String[] thatValues) {
        if (thisValues.length != thatValues.length) {
            return false;
        }

        for (int i = 0; i < thatValues.length; i++) {
            if (!doMatch(thisValues[i], thatValues[i])) {
                return false;
            }
        }

        return true;
    }

    protected boolean doMatch(final String thisField, final String thatField) {
        return Strings.isNullOrEmpty(thisField) || thisField.equals(thatField);
    }

    protected boolean doMatch(final HttpProtocolVersion thisField, final HttpProtocolVersion thatField) {
        return thisField == null || thisField == thatField;
    }

    protected boolean doMatch(final MessageContent thisField, final MessageContent thatField) {
        return thisField == null || thisField.equals(thatField)
                || (thatField != null && thisField.toString().equals(thatField.toString()));
    }

    protected boolean doMatch(final HttpMethod thisField, final HttpMethod thatField) {
        return thisField == null || thisField == thatField;
    }
}