io.wcm.testing.mock.aem.MockRendition.java Source code

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Here is the source code for io.wcm.testing.mock.aem.MockRendition.java

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/*
 * #%L
 * wcm.io
 * %%
 * Copyright (C) 2014 wcm.io
 * %%
 * 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
 *
 *      http://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.
 * #L%
 */
package io.wcm.testing.mock.aem;

import java.io.IOException;
import java.io.InputStream;

import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceUtil;
import org.apache.sling.api.resource.ResourceWrapper;
import org.apache.sling.api.resource.ValueMap;

import com.day.cq.commons.jcr.JcrConstants;
import com.day.cq.dam.api.Asset;
import com.day.cq.dam.api.Rendition;
import com.day.cq.dam.commons.util.DamUtil;

/**
 * Mock implementation of {@link Rendition}.
 */
class MockRendition extends ResourceWrapper implements Rendition {

    private final Resource resource;
    private final Resource contentResource;
    private final ValueMap contentProps;

    @SuppressWarnings("deprecation")
    public MockRendition(Resource resource) {
        super(resource);
        this.resource = resource;
        this.contentResource = resource.getChild(JcrConstants.JCR_CONTENT);
        this.contentProps = ResourceUtil.getValueMap(this.contentResource);
    }

    @SuppressWarnings("unchecked")
    @Override
    public <AdapterType> AdapterType adaptTo(Class<AdapterType> type) {
        if (type == Resource.class) {
            return (AdapterType) resource;
        }
        return super.adaptTo(type);
    }

    @Override
    public ValueMap getProperties() {
        return this.contentProps;
    }

    @Override
    public String getMimeType() {
        return this.contentProps.get(JcrConstants.JCR_MIMETYPE, String.class);
    }

    @Override
    public InputStream getStream() {
        Resource data = contentResource.getChild(JcrConstants.JCR_DATA);
        if (data != null) {
            return data.adaptTo(InputStream.class);
        } else {
            return null;
        }
    }

    @Override
    public long getSize() {
        try {
            InputStream is = getStream();
            if (is == null) {
                return 0L;
            }
            return IOUtils.toByteArray(is).length;
        } catch (IOException ex) {
            throw new RuntimeException("Unable to read binary data: " + getPath(), ex);
        }
    }

    @Override
    public Asset getAsset() {
        return DamUtil.resolveToAsset(this.resource);
    }

    @Override
    public int hashCode() {
        return getPath().hashCode();
    }

    @Override
    public boolean equals(Object obj) {
        if (!(obj instanceof MockRendition)) {
            return false;
        }
        return StringUtils.equals(getPath(), ((MockRendition) obj).getPath());
    }

}