SITES-18137: core.wcm.components.core: remove non-test use of Guava

bundles/core/pom.xml

@@ -371,6 +371,10 @@
             <groupId>commons-collections</groupId>
             <artifactId>commons-collections</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-collections4</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>

bundles/core/src/main/java/com/adobe/cq/wcm/core/components/internal/Utils.java

@@ -15,6 +15,7 @@
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
 package com.adobe.cq.wcm.core.components.internal;
 
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
@@ -54,7 +55,6 @@
 import com.day.cq.wcm.api.designer.Designer;
 import com.day.cq.wcm.api.designer.Style;
 import com.day.cq.wcm.foundation.AllowedComponentList;
-import com.google.common.collect.ImmutableSet;
 
 import static com.adobe.cq.wcm.core.components.models.Image.PN_ALT_VALUE_FROM_DAM;
 import static com.adobe.cq.wcm.core.components.models.Image.PN_ALT_VALUE_FROM_PAGE_IMAGE;
@@ -65,12 +65,12 @@ public class Utils {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(Utils.class);
 
-    private static final Set<String> INTERNAL_PARAMETER = ImmutableSet.of(
-            ":formstart",
-            "_charset_",
-            ":redirect",
-            ":cq_csrf_token"
-    );
+    private static final Set<String> INTERNAL_PARAMETER = Collections.unmodifiableSet(new HashSet<>(Arrays.asList(
+        ":formstart",
+        "_charset_",
+        ":redirect",
+        ":cq_csrf_token"
+    )));
 
     private Utils() {
     }

bundles/core/src/main/java/com/adobe/cq/wcm/core/components/internal/helper/image/AdaptiveImageHelper.java

@@ -32,7 +32,6 @@
 
 import com.day.cq.wcm.api.Page;
 import com.day.cq.wcm.api.PageManager;
-import com.google.common.base.Joiner;
 
 public class AdaptiveImageHelper {
 
@@ -124,12 +123,12 @@ public static String getRedirectLocation(SlingHttpServletRequest request, long l
         }
         if (lastModifiedSuffix > 0) {
             suffix = StringUtils.replace(suffix, String.valueOf(lastModifiedSuffix), String.valueOf(lastModifiedEpoch));
-            redirectLocation = Joiner.on('.').join(Text.escapePath(request.getContextPath() + requestPathInfo.getResourcePath()),
-                    requestPathInfo.getSelectorString(), requestPathInfo.getExtension() + Text.escapePath(suffix));
+            redirectLocation = Text.escapePath(request.getContextPath() + requestPathInfo.getResourcePath()) + "." +
+                    requestPathInfo.getSelectorString() + "." + requestPathInfo.getExtension() + Text.escapePath(suffix);
         } else if (request.getResource().isResourceType(IMAGE_RESOURCE_TYPE)) {
-            redirectLocation = Joiner.on('.').join(Text.escapePath(request.getContextPath() + requestPathInfo.getResourcePath()),
-                    requestPathInfo.getSelectorString(), requestPathInfo.getExtension() + "/" + lastModifiedEpoch,
-                    requestPathInfo.getExtension());
+            redirectLocation = Text.escapePath(request.getContextPath() + requestPathInfo.getResourcePath()) + "." +
+                    requestPathInfo.getSelectorString() + "." + requestPathInfo.getExtension() + "/" +
+                    lastModifiedEpoch + "." + requestPathInfo.getExtension();
         } else {
             String resourcePath = request.getPathInfo();
             String extension = FilenameUtils.getExtension(resourcePath);

bundles/core/src/main/java/com/adobe/cq/wcm/core/components/internal/jackson/LinkHtmlAttributesSerializer.java

@@ -17,6 +17,7 @@
 package com.adobe.cq.wcm.core.components.internal.jackson;
 
 import java.io.IOException;
+import java.util.Collections;
 import java.util.Map;
 import java.util.Set;
 import java.util.stream.Collectors;
@@ -26,14 +27,13 @@
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.databind.SerializerProvider;
 import com.fasterxml.jackson.databind.ser.std.StdSerializer;
-import com.google.common.collect.ImmutableSet;
 
 public class LinkHtmlAttributesSerializer extends StdSerializer<Map<String, String>> {
 
     /**
      * List of the link's ignored html attributes from the Json export.
      */
-    private static final Set<String> IGNORED_HTML_ATTRIBUTES = ImmutableSet.of("href");
+    private static final Set<String> IGNORED_HTML_ATTRIBUTES = Collections.singleton("href");
 
     public LinkHtmlAttributesSerializer() { this(null); }
 

bundles/core/src/main/java/com/adobe/cq/wcm/core/components/internal/link/LinkImpl.java

@@ -15,6 +15,7 @@
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
 package com.adobe.cq.wcm.core.components.internal.link;
 
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.LinkedHashMap;
 import java.util.Map;
@@ -32,7 +33,6 @@
 import com.fasterxml.jackson.annotation.JsonInclude.Include;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
-import com.google.common.collect.ImmutableMap;
 
 /**
  * Wraps link information to be used in models.
@@ -148,7 +148,7 @@ private static Map<String, String> buildHtmlAttributes(String linkURL, Map<Strin
                     .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
             attributes.putAll(filteredAttributes);
         }
-        return ImmutableMap.copyOf(attributes);
+        return Collections.unmodifiableMap(attributes);
     }
 
 }

bundles/core/src/main/java/com/adobe/cq/wcm/core/components/internal/link/LinkManagerImpl.java

@@ -20,6 +20,7 @@
 
 import javax.annotation.PostConstruct;
 
+import org.apache.commons.collections4.SetUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.sling.api.SlingHttpServletRequest;
 import org.apache.sling.api.resource.Resource;
@@ -37,7 +38,6 @@
 import com.day.cq.dam.api.Asset;
 import com.day.cq.wcm.api.Page;
 import com.day.cq.wcm.api.designer.Style;
-import com.google.common.collect.ImmutableSet;
 
 import static com.adobe.cq.wcm.core.components.commons.link.Link.PN_LINK_URL;
 
@@ -50,7 +50,7 @@ public class LinkManagerImpl implements LinkManager {
      * <code>_self</code> is used in the edit dialog but not listed as allowed here as we do not
      * want to render a target attribute at all when <code>_self</code> is selected.
      */
-    public static final Set<String> VALID_LINK_TARGETS = ImmutableSet.of("_blank", "_parent", "_top");
+    public static final Set<String> VALID_LINK_TARGETS = SetUtils.unmodifiableSet("_blank", "_parent", "_top");
 
     /**
      * Name of the resource property that for redirecting pages will indicate if original page or redirect target page should be returned.

bundles/core/src/main/java/com/adobe/cq/wcm/core/components/internal/models/v1/embeddable/YouTubeImpl.java

@@ -17,6 +17,7 @@
 
 import java.net.URI;
 import java.net.URISyntaxException;
+import java.util.Collections;
 import java.util.Optional;
 
 import org.apache.commons.lang3.StringUtils;
@@ -45,7 +46,6 @@
 import com.day.cq.wcm.api.policies.ContentPolicy;
 import com.day.cq.wcm.api.policies.ContentPolicyManager;
 import com.day.cq.wcm.commons.policy.ContentPolicyStyle;
-import com.google.common.collect.ImmutableMap;
 
 @Model(
         adaptables = SlingHttpServletRequest.class,
@@ -202,7 +202,7 @@ Style getStyleForWrappedResource(Resource resource) {
     @NotNull
     protected EmbeddableData getComponentData() {
         return DataLayerBuilder.extending(super.getComponentData()).asEmbeddable()
-                .withEmbeddableDetails(() -> ImmutableMap.of(PN_VIDEO_ID, videoId))
+                .withEmbeddableDetails(() -> Collections.singletonMap(PN_VIDEO_ID, videoId))
                 .build();
     }
 

bundles/core/src/main/java/com/adobe/cq/wcm/core/components/internal/models/v2/ImageImpl.java

@@ -15,14 +15,17 @@
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
 package com.adobe.cq.wcm.core.components.internal.models.v2;
 
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.BitSet;
 import java.util.Collections;
 import java.util.List;
 
 import javax.annotation.PostConstruct;
 
 import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.codec.net.URLCodec;
 import org.apache.sling.api.SlingHttpServletRequest;
 import org.apache.sling.api.resource.Resource;
 import org.apache.sling.models.annotations.Exporter;
@@ -47,7 +50,6 @@
 import com.day.cq.dam.scene7.api.constants.Scene7AssetType;
 import com.day.cq.dam.scene7.api.constants.Scene7Constants;
 import com.fasterxml.jackson.annotation.JsonInclude;
-import com.google.common.net.UrlEscapers;
 
 /**
  * V2 Image model implementation.
@@ -58,6 +60,27 @@
 @Exporter(name = ExporterConstants.SLING_MODEL_EXPORTER_NAME, extensions = ExporterConstants.SLING_MODEL_EXTENSION)
 public class ImageImpl extends com.adobe.cq.wcm.core.components.internal.models.v1.ImageImpl implements Image {
 
+    //SITES-18137: imitate the exact behavior of com.google.common.net.URL_FRAGMENT_ESCAPER
+    private static final BitSet URL_FRAGMENT_SAFE_CHARS = new BitSet(256);
+
+    static {
+        //alphanumeric characters
+        for(int i = 97; i <= 122; i++) {
+            URL_FRAGMENT_SAFE_CHARS.set(i);
+        }
+        for(int i = 65; i <= 90; i++) {
+            URL_FRAGMENT_SAFE_CHARS.set(i);
+        }
+        for(int i = 48; i <= 57; i++) {
+            URL_FRAGMENT_SAFE_CHARS.set(i);
+        }
+        // safe characters from Guava's URL_FRAGMENT_ESCAPER: -._~!$'()*,;&=@:+/?
+        byte[] nonAlphaNumeric = new byte[] { 45, 46, 95, 126, 33, 36, 39, 40, 41, 42, 44, 59, 38, 61, 64, 58, 43, 47, 63 };
+        for(int i = 0; i < nonAlphaNumeric.length; i++) {
+            URL_FRAGMENT_SAFE_CHARS.set(nonAlphaNumeric[i]);
+        }
+    }
+
     @ValueMapValue(name = "imageModifiers", injectionStrategy = InjectionStrategy.OPTIONAL)
     @Nullable
     protected String imageModifiers;
@@ -187,7 +210,8 @@ protected void initModel() {
                     //check DM asset - check for "dam:scene7File" metadata value
                     String dmAssetName = asset.getMetadataValue(Scene7Constants.PN_S7_FILE);
                     if(isDmFeaturesEnabled && (!StringUtils.isEmpty(dmAssetName))){
-                        dmAssetName = UrlEscapers.urlFragmentEscaper().escape(dmAssetName);
+                        //SITES-18137: imitate the exact behavior of com.google.common.net.URL_FRAGMENT_ESCAPER
+                        dmAssetName = new String(URLCodec.encodeUrl(URL_FRAGMENT_SAFE_CHARS, dmAssetName.getBytes(StandardCharsets.UTF_8)), StandardCharsets.UTF_8);
                         //image is DM
                         dmImage = true;
                         useAssetDelivery = false;

bundles/core/src/main/java/com/adobe/cq/wcm/core/components/internal/services/seo/LanguageNavigationSiteRootSelectionStrategy.java

@@ -16,7 +16,7 @@
 package com.adobe.cq.wcm.core.components.internal.services.seo;
 
 import java.util.Optional;
-import java.util.concurrent.ExecutionException;
+import java.util.WeakHashMap;
 import java.util.function.Predicate;
 
 import org.apache.sling.api.resource.Resource;
@@ -39,8 +39,6 @@
 import com.day.cq.wcm.api.Page;
 import com.day.cq.wcm.api.TemplatedResource;
 import com.day.cq.wcm.msm.api.LiveRelationshipManager;
-import com.google.common.cache.Cache;
-import com.google.common.cache.CacheBuilder;
 
 /**
  * An implementation of {@link SiteRootSelectionStrategy} that looks for a language navigation component on the given page and uses it's
@@ -79,7 +77,7 @@ public class LanguageNavigationSiteRootSelectionStrategy implements SiteRootSele
      * meaning a consumer will call the public methods of this interface close after each other passing the same {@link Page} object to each
      * method call. In this case, we don't need to traverse multiple times.
      */
-    private final Cache<Page, Optional<Resource>> languageNavigationCache = CacheBuilder.newBuilder().weakKeys().build();
+    private final WeakHashMap<Page, Optional<Resource>> languageNavigationCache = new WeakHashMap<>();
 
     @Override
     @Nullable
@@ -98,12 +96,15 @@ public int getStructuralDepth(@NotNull Page page) {
     }
 
     private Optional<Resource> findLanguageNavigation(Page page) {
-        try {
-            return languageNavigationCache.get(page, () -> findLanguageNavigation(page.getContentResource(), page));
-        } catch (ExecutionException ex) {
-            LOG.warn("Failed to find language navigation", ex);
-            return Optional.empty();
+        Optional<Resource> resource = languageNavigationCache.get(page);
+        if (resource == null) {
+            resource = findLanguageNavigation(page.getContentResource(), page);
+            if (resource == null || !resource.isPresent()) {
+                resource = Optional.empty();
+            }
+            languageNavigationCache.put(page, resource);
         }
+        return resource;
     }
 
     private Optional<Resource> findLanguageNavigation(Resource contentResource, Page containingPage) {

bundles/core/src/main/java/com/adobe/cq/wcm/core/components/internal/servlets/AdaptiveImageServlet.java

@@ -75,9 +75,6 @@
 import com.day.cq.wcm.commons.WCMUtils;
 import com.day.cq.wcm.foundation.WCMRenditionPicker;
 import com.day.image.Layer;
-import com.google.common.base.Splitter;
-import com.google.common.collect.Lists;
-import com.google.common.net.HttpHeaders;
 
 import static com.adobe.cq.wcm.core.components.internal.Utils.getWrappedImageResourceWithInheritance;
 import static com.adobe.cq.wcm.core.components.internal.helper.image.AdaptiveImageHelper.IMAGE_RESOURCE_TYPE;
@@ -656,7 +653,7 @@ private void stream(@NotNull SlingHttpServletResponse response, @NotNull InputSt
         response.setContentType(contentType);
         String extension = mimeTypeService.getExtension(contentType);
         String disposition = "svg".equalsIgnoreCase(extension) ? "attachment" : "inline";
-        response.setHeader(HttpHeaders.CONTENT_DISPOSITION, disposition + "; filename=" + URLEncoder.encode(imageName, CharEncoding.UTF_8));
+        response.setHeader("Content-Disposition", disposition + "; filename=" + URLEncoder.encode(imageName, CharEncoding.UTF_8));
         IOUtils.copy(inputStream, response.getOutputStream());
     }
 
@@ -852,7 +849,12 @@ private List<String> selectorToList(String selector) throws IllegalArgumentExcep
         if (StringUtils.isEmpty(selector)) {
             throw new IllegalArgumentException("Expected 1, 2 or 3 selectors instead got empty selector");
         }
-        ArrayList<String> selectorList = Lists.newArrayList(Splitter.on('.').omitEmptyStrings().trimResults().split(selector));
+        ArrayList<String> selectorList = new ArrayList<>();
+        for (String s : selector.split("\\.")) {
+            if (!s.isEmpty()) {
+                selectorList.add(s.trim());
+            }
+        }
         if (selectorList.size() > 3) {
             throw new IllegalArgumentException("Expected 1, 2 or 3 selectors, instead got: " + selectorList.size());
         }

parent/pom.xml

@@ -726,6 +726,13 @@
                 <scope>provided</scope>
             </dependency>
 
+            <dependency>
+                <groupId>org.apache.commons</groupId>
+                <artifactId>commons-collections4</artifactId>
+                <version>4.4</version>
+                <scope>provided</scope>
+            </dependency>
+
             <dependency>
                 <groupId>org.jetbrains</groupId>
                 <artifactId>annotations</artifactId>