VCardProperties: implement deepCopy methods

src/main/java/ezvcard/VCard.java

@@ -4715,4 +4715,13 @@ static <T extends HasAltId> String generateAltId(Collection<T> properties) {
 		}
 		return altId + "";
 	}
+
+	public VCard deepCopy() {
+		VCard that = new VCard();
+		that.version = this.version;
+		for (final VCardProperty property : getProperties()) {
+			that.addProperty(property.deepCopy());
+		}
+		return that;
+	}
 }

src/main/java/ezvcard/ValidationWarnings.java

@@ -1,10 +1,7 @@
 package ezvcard;
 
 import java.text.NumberFormat;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 import java.util.Map.Entry;
 
 import ezvcard.property.VCardProperty;

src/main/java/ezvcard/property/Address.java

@@ -95,6 +95,19 @@ public class Address extends VCardProperty implements HasAltId {
 	private String postalCode;
 	private String country;
 
+	@Override public Address deepCopy() {
+		Address that = new Address();
+		this.copyTo(that);
+		that.poBox = this.poBox;
+		that.extendedAddress = this.extendedAddress;
+		that.streetAddress = this.streetAddress;
+		that.locality = this.locality;
+		that.region = this.region;
+		that.postalCode = this.postalCode;
+		that.country = this.country;
+		return that;
+	}
+
 	/**
 	 * Gets the P.O. (post office) box.
 	 * @return the P.O. box or null if not set

src/main/java/ezvcard/property/Agent.java

@@ -104,6 +104,14 @@ public Agent() {
 		//empty
 	}
 
+	public Agent deepCopy() {
+		Agent that = new Agent();
+		this.copyTo(that);
+		that.url = this.url;
+		that.vcard = this.vcard;
+		return that;
+	}
+
 	/**
 	 * Creates an agent property.
 	 * @param url a URL pointing to the agent's information

src/main/java/ezvcard/property/Anniversary.java

@@ -110,6 +110,12 @@ public Anniversary(Date date) {
 		super(date);
 	}
 
+	@Override public Anniversary deepCopy() {
+		Anniversary that = new Anniversary(this.getDate());
+		copyTo(that);
+		return that;
+	}
+
 	/**
 	 * Creates an anniversary property.
 	 * @param date the anniversary date

src/main/java/ezvcard/property/BinaryProperty.java

@@ -62,6 +62,14 @@ public abstract class BinaryProperty<T extends MediaTypeParameter> extends VCard
 	 */
 	protected T contentType;
 
+	@Override public abstract BinaryProperty deepCopy();
+
+	protected void copyTo(BinaryProperty<T> that) {
+		that.data = this.data.clone();
+		that.url = this.url;
+		that.contentType = this.contentType;
+	}
+
 	public BinaryProperty() {
 		//empty
 	}

src/main/java/ezvcard/property/Birthday.java

@@ -106,6 +106,13 @@ public Birthday(Date date) {
 		super(date);
 	}
 
+	@Override
+	public Birthday deepCopy() {
+        Birthday that = new Birthday(this.getDate());
+		copyTo(that);
+		return that;
+    }
+
 	/**
 	 * Creates a birthday property.
 	 * @param date the birthday

src/main/java/ezvcard/property/Birthplace.java

@@ -97,6 +97,13 @@ public Birthplace() {
 		super();
 	}
 
+	@Override
+	public Birthplace deepCopy() {
+		Birthplace that = new Birthplace();
+		copyTo(that);
+		return that;
+	}
+
 	/**
 	 * Creates a new birthplace property.
 	 * @param latitude the latitude coordinate of the place

src/main/java/ezvcard/property/CalendarRequestUri.java

@@ -70,6 +70,13 @@ public CalendarRequestUri(String uri) {
 	}
 
 	@Override
+	public CalendarRequestUri deepCopy() {
+		CalendarRequestUri that = new CalendarRequestUri(value);
+		copyTo(that);
+		return that;
+	}
+
+    @Override
 	public Set<VCardVersion> _supportedVersions() {
 		return EnumSet.of(VCardVersion.V4_0);
 	}

src/main/java/ezvcard/property/CalendarUri.java

@@ -68,6 +68,13 @@ public CalendarUri(String uri) {
 		super(uri);
 	}
 
+	@Override
+    public CalendarUri deepCopy() {
+        CalendarUri that = new CalendarUri(value);
+        copyTo(that);
+        return that;
+    }
+
 	@Override
 	public Set<VCardVersion> _supportedVersions() {
 		return EnumSet.of(VCardVersion.V4_0);

src/main/java/ezvcard/property/Categories.java

@@ -63,6 +63,13 @@
  * @author Michael Angstadt
  */
 public class Categories extends TextListProperty implements HasAltId {
+	@Override
+	public Categories deepCopy() {
+		Categories that = new Categories();
+		copyTo(that);
+		return that;
+	}
+
 	@Override
 	public List<Integer[]> getPids() {
 		return super.getPids();

src/main/java/ezvcard/property/Classification.java

@@ -68,6 +68,13 @@ public Classification(String classValue) {
 		super(classValue);
 	}
 
+	@Override
+    public Classification deepCopy() {
+		Classification that = new Classification(this.getValue());
+		copyTo(that);
+		return that;
+	}
+
 	@Override
 	public Set<VCardVersion> _supportedVersions() {
 		return EnumSet.of(VCardVersion.V3_0);

src/main/java/ezvcard/property/ClientPidMap.java

@@ -104,6 +104,13 @@ public ClientPidMap(Integer pid, String uri) {
 		this.uri = uri;
 	}
 
+	@Override
+	public ClientPidMap deepCopy() {
+		ClientPidMap that = new ClientPidMap(pid, uri);
+		copyTo(that);
+		return that;
+	}
+
 	/**
 	 * Generates a CLIENTPIDMAP type that contains a random UID URI.
 	 * @param pid the PID

src/main/java/ezvcard/property/DateOrTimeProperty.java

@@ -49,6 +49,23 @@ public class DateOrTimeProperty extends VCardProperty implements HasAltId {
 	private PartialDate partialDate;
 	private boolean dateHasTime;
 
+    private DateOrTimeProperty() {}
+
+	@Override
+	public DateOrTimeProperty deepCopy() {
+		DateOrTimeProperty that = new DateOrTimeProperty();
+		copyTo(that);
+		return that;
+	}
+
+	protected void copyTo(final DateOrTimeProperty that) {
+        super.copyTo(that);
+		that.text = this.text;
+		that.date = new Date(this.date.getTime());
+		that.partialDate = this.partialDate; // immutable
+		that.dateHasTime = this.dateHasTime;
+	}
+
 	/**
 	 * Creates a date-and-or-time property.
 	 * @param date the date value

src/main/java/ezvcard/property/Deathdate.java

@@ -110,6 +110,13 @@ public Deathdate(Date date) {
 		super(date);
 	}
 
+	@Override
+	public Deathdate deepCopy() {
+		Deathdate that = new Deathdate(getDate());
+		copyTo(that);
+		return that;
+	}
+
 	/**
 	 * Creates a deathdate property.
 	 * @param date the deathdate

src/main/java/ezvcard/property/Deathplace.java

@@ -97,6 +97,13 @@ public Deathplace() {
 		super();
 	}
 
+	@Override
+	public Deathplace deepCopy() {
+		Deathplace that = new Deathplace();
+		copyTo(that);
+		return that;
+	}
+
 	/**
 	 * Creates a new deathplace property.
 	 * @param latitude the latitude coordinate of the place

src/main/java/ezvcard/property/Email.java

@@ -77,6 +77,13 @@ public Email(String email) {
 		super(email);
 	}
 
+	@Override
+	public Email deepCopy() {
+		Email that = new Email(getValue());
+		copyTo(that);
+		return that;
+	}
+
 	/**
 	 * Gets all the TYPE parameters.
 	 * @return the TYPE parameters or empty set if there are none

src/main/java/ezvcard/property/Expertise.java

@@ -75,6 +75,13 @@ public Expertise(String skill) {
 	}
 
 	@Override
+	public Expertise deepCopy() {
+		Expertise that = new Expertise(getValue());
+		copyTo(that);
+		return that;
+	}
+
+    @Override
 	public Set<VCardVersion> _supportedVersions() {
 		return EnumSet.of(VCardVersion.V4_0);
 	}

src/main/java/ezvcard/property/FormattedName.java

@@ -64,6 +64,13 @@ public FormattedName(String name) {
 		super(name);
 	}
 
+	@Override
+	public FormattedName deepCopy() {
+		FormattedName that = new FormattedName(getValue());
+		copyTo(that);
+		return that;
+	}
+
 	/**
 	 * Gets the TYPE parameter.
 	 * <p>

src/main/java/ezvcard/property/FreeBusyUrl.java

@@ -68,6 +68,13 @@ public FreeBusyUrl(String uri) {
 		super(uri);
 	}
 
+	@Override
+	public FreeBusyUrl deepCopy() {
+		FreeBusyUrl that = new FreeBusyUrl(getValue());
+		copyTo(that);
+		return that;
+	}
+
 	@Override
 	public Set<VCardVersion> _supportedVersions() {
 		return EnumSet.of(VCardVersion.V4_0);

src/main/java/ezvcard/property/Gender.java

@@ -95,6 +95,14 @@ public Gender(String gender) {
 		this.gender = gender;
 	}
 
+	@Override
+	public Gender deepCopy() {
+		Gender that = new Gender(gender);
+		copyTo(that);
+		that.text = this.text;
+		return that;
+	}
+
 	@Override
 	public Set<VCardVersion> _supportedVersions() {
 		return EnumSet.of(VCardVersion.V4_0);

src/main/java/ezvcard/property/Geo.java

@@ -97,6 +97,13 @@ public Geo(Double latitude, Double longitude) {
 		this(new GeoUri.Builder(latitude, longitude).build());
 	}
 
+	@Override
+	public Geo deepCopy() {
+		Geo that = new Geo(this.uri);
+		copyTo(that);
+		return that;
+	}
+
 	/**
 	 * Creates a geo property.
 	 * @param uri the geo URI

src/main/java/ezvcard/property/Hobby.java

@@ -74,6 +74,13 @@ public Hobby(String hobby) {
 		super(hobby);
 	}
 
+	@Override
+	public Hobby deepCopy() {
+		Hobby that = new Hobby(getValue());
+		copyTo(that);
+		return that;
+	}
+
 	@Override
 	public Set<VCardVersion> _supportedVersions() {
 		return EnumSet.of(VCardVersion.V4_0);

src/main/java/ezvcard/property/ImageProperty.java

@@ -40,6 +40,16 @@
  * @author Michael Angstadt
  */
 public class ImageProperty extends BinaryProperty<ImageType> {
+
+	protected ImageProperty() {}
+
+	@Override
+	public ImageProperty deepCopy() {
+		ImageProperty that = new ImageProperty();
+		copyTo(that);
+		return that;
+	}
+
 	/**
 	 * Creates an image property.
 	 * @param url the URL to the image

src/main/java/ezvcard/property/Impp.java

@@ -84,6 +84,13 @@ public class Impp extends VCardProperty implements HasAltId {
 
 	private URI uri;
 
+	@Override
+	public Impp deepCopy() {
+		Impp that = new Impp(this.uri);
+		copyTo(that);
+		return that;
+	}
+
 	/**
 	 * Creates an IMPP property. Note that this class has static factory methods
 	 * for creating IMPP properties of common IM protocols.

src/main/java/ezvcard/property/Interest.java

@@ -74,6 +74,13 @@ public Interest(String interest) {
 		super(interest);
 	}
 
+	@Override
+	public Interest deepCopy() {
+		Interest that = new Interest(getValue());
+		copyTo(that);
+		return that;
+	}
+
 	@Override
 	public Set<VCardVersion> _supportedVersions() {
 		return EnumSet.of(VCardVersion.V4_0);

src/main/java/ezvcard/property/Key.java

@@ -113,6 +113,14 @@ public Key() {
 		super();
 	}
 
+	@Override
+	public Key deepCopy() {
+		Key that = new Key();
+		copyTo(that);
+		that.text = this.text;
+		return that;
+	}
+
 	/**
 	 * Creates a key property.
 	 * @param data the binary data