Remove Specific Metadata Properties from Documents and Images

readme.md

For details, you may visit following blog post:

• How to Remove Specific Metadata Properties from Documents and Images in C#
• Remove Specific Metadata Properties from Documents and Images in Java

RemoveSpecificMetadataProperties.cs

// Remove the metadata properties from documents and images that satisfies the customized filter using C#
using (Metadata metadata = new Metadata("filePath/document.docx"))
{
	// Remove all the properties that:
	// contains the name of the document author OR
	// it refers to the last editor OR 
	// the property value is a string AND equal to the given string "GroupDocs"
	var affected = metadata.RemoveProperties(
		p => p.Tags.Contains(Tags.Person.Creator) ||
			 p.Tags.Contains(Tags.Person.Editor) ||
			 p.Value.Type == MetadataPropertyType.String && p.Value.ToString().Contains("GroupDocs"));
	Console.WriteLine("Properties removed: {0}", affected);

	metadata.Save("outputPath/document.docx");
}

RemoveSpecificMetadataProperties.java

// Remove the metadata properties from documents and images that satisfies the customized filter using Java
public class RemoveMetadataProperties {
	public static void removeMetadataProperties() {
		Metadata metadata = new Metadata("filePath/document.docx");
		/*
		 * Remove all the properties that: 
		 * contains the name of the document author OR
		 * it refers to the last editor OR 
		 * the property value is a string AND equal to the given string "GroupDocs"
		 */
		int affected = metadata.removeProperties(new ContainsTagSpecification(Tags.getPerson().getCreator())
				.or(new ContainsTagSpecification(Tags.getPerson().getEditor()))
				.or(new OfTypeSpecification(MetadataPropertyType.String)
						.and(new RemoveMetadataProperties().new WithValueSpecification("GroupDocs"))));

		System.out.println(String.format("Properties removed: %s", affected));

		metadata.save("outputPath/document.docx");
	}

	// Create personalized specifications to filter metadata properties
	public class WithValueSpecification extends Specification {
		public WithValueSpecification(Object value) {
			setValue(value);
		}

		public final Object getValue() {
			return auto_Value;
		}

		private void setValue(Object value) {
			auto_Value = value;
		}

		private Object auto_Value;

		public boolean isSatisfiedBy(MetadataProperty candidate) {
			return candidate.getValue().getRawValue().equals(getValue());
		}
	}
}