Make profile fields immutable.
[Sone.git] / src / main / java / net / pterodactylus / sone / data / Profile.java
index 3e287d7..3e446fd 100644 (file)
@@ -21,11 +21,11 @@ import static com.google.common.base.Optional.fromNullable;
 import static com.google.common.base.Preconditions.checkArgument;
 import static com.google.common.base.Preconditions.checkNotNull;
 import static com.google.common.base.Preconditions.checkState;
+import static java.util.UUID.randomUUID;
 
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
-import java.util.UUID;
 
 import com.google.common.base.Optional;
 import com.google.common.hash.Hasher;
@@ -233,11 +233,27 @@ public class Profile implements Fingerprintable {
                checkArgument(fieldName.length() > 0, "fieldName must not be empty");
                checkState(getFieldByName(fieldName) == null, "fieldName must be unique");
                @SuppressWarnings("synthetic-access")
-               Field field = new Field().setName(fieldName);
+               Field field = new Field(fieldName);
                fields.add(field);
                return field;
        }
 
+       public void renameField(Field field, String newName) {
+               int indexOfField = getFieldIndex(field);
+               if (indexOfField == -1) {
+                       return;
+               }
+               fields.set(indexOfField, new Field(field.getId(), newName, field.getValue()));
+       }
+
+       public void setField(Field field, String newValue) {
+               int indexOfField = getFieldIndex(field);
+               if (indexOfField == -1) {
+                       return;
+               }
+               fields.set(indexOfField, new Field(field.getId(), field.getName(), newValue));
+       }
+
        /**
         * Moves the given field up one position in the field list. The index of the
         * field to move must be greater than {@code 0} (because you obviously can
@@ -397,98 +413,38 @@ public class Profile implements Fingerprintable {
         *
         * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
         */
-       public class Field {
+       public static class Field {
 
-               /** The ID of the field. */
                private final String id;
+               private final String name;
+               private final String value;
 
-               /** The name of the field. */
-               private String name;
-
-               /** The value of the field. */
-               private String value;
+               public Field(String name) {
+                       this(name, null);
+               }
 
-               /**
-                * Creates a new field with a random ID.
-                */
-               private Field() {
-                       this(UUID.randomUUID().toString());
+               public Field(String name, String value) {
+                       this(randomUUID().toString(), name, value);
                }
 
-               /**
-                * Creates a new field with the given ID.
-                *
-                * @param id
-                *            The ID of the field
-                */
-               private Field(String id) {
+               public Field(String id, String name, String value) {
                        this.id = checkNotNull(id, "id must not be null");
+                       this.name = name;
+                       this.value = value;
                }
 
-               /**
-                * Returns the ID of this field.
-                *
-                * @return The ID of this field
-                */
                public String getId() {
                        return id;
                }
 
-               /**
-                * Returns the name of this field.
-                *
-                * @return The name of this field
-                */
                public String getName() {
                        return name;
                }
 
-               /**
-                * Sets the name of this field. The name must not be {@code null} and
-                * must not match any other fields in this profile but my match the name
-                * of this field.
-                *
-                * @param name
-                *            The new name of this field
-                * @return This field
-                */
-               public Field setName(String name) {
-                       checkNotNull(name, "name must not be null");
-                       checkArgument(getFieldByName(name) == null, "name must be unique");
-                       this.name = name;
-                       return this;
-               }
-
-               /**
-                * Returns the value of this field.
-                *
-                * @return The value of this field
-                */
                public String getValue() {
                        return value;
                }
 
-               /**
-                * Sets the value of this field. While {@code null} is allowed, no
-                * guarantees are made that {@code null} values are correctly persisted
-                * across restarts of the plugin!
-                *
-                * @param value
-                *            The new value of this field
-                * @return This field
-                */
-               public Field setValue(String value) {
-                       this.value = value;
-                       return this;
-               }
-
-               //
-               // OBJECT METHODS
-               //
-
-               /**
-                * {@inheritDoc}
-                */
                @Override
                public boolean equals(Object object) {
                        if (!(object instanceof Field)) {
@@ -498,9 +454,6 @@ public class Profile implements Fingerprintable {
                        return id.equals(field.id);
                }
 
-               /**
-                * {@inheritDoc}
-                */
                @Override
                public int hashCode() {
                        return id.hashCode();