CoreComponentMediaValueInspectorService.java
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* Licensed under the Apache License, Version 2.0 (the "License");
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package io.wcm.siteapi.genericedit.builder.impl.inspector;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.commons.lang3.StringUtils;
import org.apache.sling.commons.mime.MimeTypeService;
import org.apache.sling.xss.XSSAPI;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;
import io.wcm.siteapi.genericedit.builder.ValueInspectorService;
import io.wcm.siteapi.genericedit.component.value.MediaValue;
/**
* Detects Core Components image references.
*/
@Component(service = ValueInspectorService.class)
public class CoreComponentMediaValueInspectorService extends ValueInspectorService<MediaValue> {
@Reference
private XSSAPI xssApi;
@Reference
private MimeTypeService mimeTypeService;
/**
* Pattern to detect image links generated by core components image component.
*/
private static final Pattern COREIMG_PATTERN = Pattern.compile("^/content/.+/.*\\.coreimg(\\..+)?(\\.[^\\.]+)$");
@Override
protected @Nullable MediaValue inspectValue(@NotNull String key, @Nullable Object rawValue,
@NotNull Object instance) {
if (rawValue instanceof String) {
return detectImage((String)rawValue);
}
return null;
}
private MediaValue detectImage(@NotNull String value) {
Matcher matcher = COREIMG_PATTERN.matcher(value);
if (matcher.matches() && isImageMimeType(matcher.group(2))) {
return new CoreComponentMediaValueImpl(value, xssApi);
}
return null;
}
private boolean isImageMimeType(@NotNull String extension) {
String mimeType = mimeTypeService.getMimeType(extension);
return StringUtils.startsWith(mimeType, "image/");
}
}