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

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Here is the source code for uk.ac.jorum.integration.matchers.MatchJSONArray.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 static org.hamcrest.CoreMatchers.anyOf;

import java.util.ArrayList;

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

public class MatchJSONArray<T> extends TypeSafeMatcher<JSONObject> {
    private ArrayList<Matcher<T>> matchers;
    private String key;
    private boolean isKeyPresent;
    private boolean run = false;
    private JSONArray array;
    private Matcher<T> anyOfmatcher;

    @Override
    public void describeTo(Description description) {
        if (!run)
            return;
        if (!isKeyPresent) {
            description.appendText("Key " + key + " was not present in the json object");
        } else if (array.size() == 0) {
            description.appendText("Expected a non-empty array for key " + key);
        } else if (matchers.size() == 0) {
            description.appendText("Expected an empty array for key " + key);
        } else {
            description.appendText("Array match failed with ");
            anyOfmatcher.describeTo(description);
        }
    }

    @Override
    public boolean matchesSafely(JSONObject item) {
        run = true;
        isKeyPresent = item.containsKey(key);
        if (!isKeyPresent) {
            return false;
        }

        array = (JSONArray) item.get(key);

        if (array.size() == 0 && matchers.size() == 0) {
            return true;
        } else if (array.size() == 0 && matchers.size() > 0) {
            return false;
        } else if (array.size() > 0 && matchers.size() == 0) {
            return false;
        }

        anyOfmatcher = anyOf((Iterable) matchers);
        for (Object obj : array) {
            if (!anyOfmatcher.matches((T) obj)) {
                return false;
            }
        }
        return true;
    }

    MatchJSONArray(String key, ArrayList<Matcher<T>> matchers) {
        this.key = key;
        this.matchers = matchers;
    }
}