io.wcm.testing.mock.aem.MockRendition Maven / Gradle / Ivy

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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")
  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 adaptTo(Class 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());
  }

}