uk.ac.jorum.integration.matchers.MatchJSONSubObject.java Source code

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Here is the source code for uk.ac.jorum.integration.matchers.MatchJSONSubObject.java

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/**
 * The contents of this file are subject to the license and copyright
 * detailed in the LICENSE and NOTICE files at the root of the source
 * tree and available online at
 *
 * http://www.dspace.org/license/
 */
package uk.ac.jorum.integration.matchers;

import org.hamcrest.Description;
import org.hamcrest.Matcher;
import org.json.simple.JSONObject;
import org.junit.internal.matchers.TypeSafeMatcher;

public class MatchJSONSubObject<T> extends TypeSafeMatcher<JSONObject> {
    private Matcher<T> matcher;
    private String key;
    private boolean isKeyPresent;
    private boolean run = false;
    private boolean success;

    @Override
    public void describeTo(Description description) {
        if (!run || success)
            return;
        description.appendText("Expected " + key + " to match submatcher: ");
        matcher.describeTo(description);
    }

    @Override
    public boolean matchesSafely(JSONObject item) {
        run = true;
        success = runMatch(item);
        return success;
    }

    private boolean runMatch(JSONObject item) {
        isKeyPresent = item.containsKey(key);
        if (!isKeyPresent) {
            return false;
        }
        return matcher.matches((T) item.get(key));
    }

    MatchJSONSubObject(String key, Matcher<T> matcher) {
        this.key = key;
        this.matcher = matcher;
    }
}