ImageMapLinkResolverImpl.java

  1. /*
  2.  * #%L
  3.  * wcm.io
  4.  * %%
  5.  * Copyright (C) 2019 wcm.io
  6.  * %%
  7.  * Licensed under the Apache License, Version 2.0 (the "License");
  8.  * you may not use this file except in compliance with the License.
  9.  * You may obtain a copy of the License at
  10.  *
  11.  *      http://www.apache.org/licenses/LICENSE-2.0
  12.  *
  13.  * Unless required by applicable law or agreed to in writing, software
  14.  * distributed under the License is distributed on an "AS IS" BASIS,
  15.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16.  * See the License for the specific language governing permissions and
  17.  * limitations under the License.
  18.  * #L%
  19.  */
  20. package io.wcm.handler.link.impl;

  21. import org.apache.sling.api.resource.Resource;
  22. import org.jetbrains.annotations.NotNull;
  23. import org.jetbrains.annotations.Nullable;
  24. import org.osgi.service.component.annotations.Component;

  25. import io.wcm.handler.link.Link;
  26. import io.wcm.handler.link.LinkHandler;
  27. import io.wcm.handler.media.spi.ImageMapLinkResolver;

  28. /**
  29.  * Autodetects and resolves a link URL found by wcm.io Media Handler in a Image Map string.
  30.  */
  31. @Component(service = ImageMapLinkResolver.class, immediate = true)
  32. public class ImageMapLinkResolverImpl implements ImageMapLinkResolver<Link> {

  33.   @Override
  34.   public @Nullable Link resolveLink(@NotNull String linkUrl, @Nullable String linkWindowTarget, @NotNull Resource context) {
  35.     LinkHandler linkHandler = context.adaptTo(LinkHandler.class);
  36.     if (linkHandler != null) {
  37.       return linkHandler.get(linkUrl)
  38.           .windowTarget(linkWindowTarget)
  39.           .build();
  40.     }
  41.     return null;
  42.   }

  43.   @Override
  44.   public @Nullable String getLinkUrl(@Nullable Link link) {
  45.     if (link != null && link.isValid()) {
  46.       return link.getUrl();
  47.     }
  48.     return null;
  49.   }

  50. }