/*
 * Copyright 2002-2019 the original author or authors.
 *
 * Licensed 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
 *
 *      https://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.springframework.core.testfixture.xml;

import java.io.StringWriter;

import org.assertj.core.api.AssertProvider;
import org.xmlunit.assertj.XmlAssert;

/**
 * {@link AssertProvider} to allow XML content assertions. Ultimately delegates
 * to {@link XmlAssert}.
 *
 * @author Phillip Webb
 */
public class XmlContent implements AssertProvider<XmlContentAssert> {

	private final Object source;

	private XmlContent(Object source) {
		this.source = source;
	}

	@Override
	public XmlContentAssert assertThat() {
		return new XmlContentAssert(this.source);
	}

	public static XmlContent from(Object source) {
		return of(source);
	}

	public static XmlContent of(Object source) {
		if (source instanceof StringWriter) {
			return of(source.toString());
		}
		return new XmlContent(source);
	}

}
