LinkUrlValueInspectorService.java

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 * wcm.io
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 * Copyright (C) 2023 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,
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package io.wcm.siteapi.genericedit.builder.impl.inspector;

import java.util.regex.Pattern;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.osgi.service.component.annotations.Component;

import io.wcm.siteapi.genericedit.builder.ValueInspectorService;
import io.wcm.siteapi.genericedit.builder.impl.util.PatternList;
import io.wcm.siteapi.genericedit.component.value.LinkValue;

/**
 * Detects fully externalized link URLs or links to DAM assets/renditions.
 */
@Component(service = ValueInspectorService.class)
public class LinkUrlValueInspectorService extends ValueInspectorService<LinkValue> {

  private static final PatternList URL_PATTERNS = new PatternList(
      Pattern.compile("^http(s)?://[^{}]+$"),
      Pattern.compile("^/content/dam/[^{}]+\\.[^\\.]+$")
  );

  @Override
  @SuppressWarnings("null")
  protected @Nullable LinkValue inspectValue(@NotNull String key, @Nullable Object rawValue,
      @NotNull Object instance) {
    if (isLinkUrl(rawValue)) {
      return new LinkUrlValueImpl((String)rawValue);
    }
    return null;
  }

  private boolean isLinkUrl(@Nullable Object value) {
    return (value instanceof String) && URL_PATTERNS.matches((String)value);
  }

}