org.eclipse.jdt.ui/core refactoring/org/eclipse/jdt/internal/corext/refactoring/nls/NLSSubstitution.java - jdt/eclipse.jdt.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.jdt.internal.corext.refactoring.nls;

 import java.util.Properties;

 import org.eclipse.core.runtime.Assert;


 public class NLSSubstitution {
 	public static final int EXTERNALIZED= 0;
 	public static final int IGNORED= 1;
 	public static final int INTERNALIZED= 2;

 	public static final int DEFAULT= EXTERNALIZED;
 	public static final int STATE_COUNT= 3;

 	private int fState;
 	private String fKey;
 	/**
 	 * @since 3.1
 	 */
 	private String fCachedPrefixPlusKey;
 	private String fValue;

 	private int fInitialState;
 	private String fInitialKey;
 	private String fInitialValue;

 	private NLSElement fNLSElement;
 	private AccessorClassReference fAccessorClassReference;

 	private String fNewAccessorClassName;

 	private String fPrefix= ""; //$NON-NLS-1$


 	public NLSSubstitution(int state, String value, NLSElement element) {
 		fNLSElement= element;
 		fValue= value;
 		fState= state;
 		fInitialState= state;
 		fInitialValue= value;
 		fCachedPrefixPlusKey= null;
 		Assert.isTrue(state == EXTERNALIZED || state == IGNORED || state == INTERNALIZED);
 	}

 	/**
 	 * value == null indicates a corrupt substitution.
 	 */
 	public NLSSubstitution(int state, String key, String value, NLSElement element, AccessorClassReference accessorClassReference) {
 		this(state,value,element);
 		if (state != EXTERNALIZED) {
 			throw new IllegalArgumentException("Set to INTERNALIZE/IGNORED State with different Constructor"); //$NON-NLS-1$
 		}
 		fKey= key;
 		fInitialKey= key;
 		fAccessorClassReference= accessorClassReference;
 		fNewAccessorClassName= null;
 	}

 	//util
 	public static int countItems(NLSSubstitution[] elems, int task) {
 		Assert.isTrue(task == NLSSubstitution.EXTERNALIZED || task == NLSSubstitution.IGNORED || task == NLSSubstitution.INTERNALIZED);
 		int result= 0;
 		for (int i= 0; i < elems.length; i++) {
 			if (elems[i].fState == task) {
 				result++;
 			}
 		}
 		return result;
 	}

 	public NLSElement getNLSElement() {
 		return fNLSElement;
 	}

 	public String getKeyWithoutPrefix() {
 		return fKey;
 	}

 	/**
 	 * Returns key dependent on state.
 	 * @return prefix + key when
 	 */
 	public String getKey() {
 		if ((fState == EXTERNALIZED) && hasStateChanged()) {
 			if (fCachedPrefixPlusKey == null) {
 				int length= 0;
 				if (fPrefix != null)
 					length= length + fPrefix.length();
 				if (fKey != null)
 					length= length + fKey.length();
 				StringBuffer sb= new StringBuffer(length);
 				sb.append(fPrefix);
 				sb.append(fKey);
 				fCachedPrefixPlusKey= sb.toString();
 			}
 			return fCachedPrefixPlusKey;
 		}
 		return fKey;
 	}

 	public void setKey(String key) {
 		if (fState != EXTERNALIZED) {
 			throw new IllegalStateException("Must be in Externalized State !"); //$NON-NLS-1$
 		}
 		fCachedPrefixPlusKey= null;
 		fKey= key;
 	}

 	public void setValue(String value) {
 		fValue= value;
 	}

 	public void setInitialValue(String value) {
 		fInitialValue= value;
 	}

 	/**
 	 * Value can be null.
 	 */
 	public String getValue() {
 		return fValue;
 	}

 	public String getValueNonEmpty() {
 		if (fValue == null) {
 			return ""; //$NON-NLS-1$
 		}
 		return fValue;
 	}

 	public int getState() {
 		return fState;
 	}

 	public void setState(int state) {
 		fCachedPrefixPlusKey= null;
 		fState= state;
 	}

 	public void setUpdatedAccessor(String accessorClassName) {
 		fNewAccessorClassName= accessorClassName;
 	}

 	public String getUpdatedAccessor() {
 		return fNewAccessorClassName;
 	}

 	public boolean hasStateChanged() {
 		return fState != fInitialState;
 	}

 	public boolean isKeyRename() {
 		return 	(fInitialKey != null && !fInitialKey.equals(fKey));
 	}

 	public boolean isValueRename() {
 		return 	(fInitialValue != null && !fInitialValue.equals(fValue));
 	}

 	public boolean isAccessorRename() {
 		return (fAccessorClassReference != null) && (fNewAccessorClassName != null) && !fNewAccessorClassName.equals(fAccessorClassReference.getName());
 	}


 	public boolean hasPropertyFileChange() {
 		if (fInitialState != EXTERNALIZED && fState != EXTERNALIZED) {
 			return false;
 		}
 		if (fInitialState != fState) {
 			return true;
 		}
 		if (fState == EXTERNALIZED) {
 			if (fInitialValue == null) {
 				return true; // recreate entry in property file
 			} else if (!fInitialValue.equals(fValue)) {
 				return true; // change of value
 			}
 			if (!fInitialKey.equals(fKey)) {
 				return true; // change of key
 			}
 		}
 		return false;
 	}

 	public boolean hasAccessorClassChange() {
 		if (fInitialState != EXTERNALIZED && fState != EXTERNALIZED) {
 			return false;
 		}
 		if (fInitialState != fState) {
 			return true;
 		}
 		if (fState == EXTERNALIZED) {
 			if (fInitialValue == null) {
 				return true; // recreate entry in property file
 			} else if (!fInitialValue.equals(fValue)) {
 				return false; // change of value
 			}
 			if (!fInitialKey.equals(fKey)) {
 				return true; // change of key
 			}
 		}
 		return false;
 	}

 	public boolean hasSourceChange() {
 		if (hasStateChanged()) {
 			return true;
 		}
 		if (fState == EXTERNALIZED) {
 			if (!fInitialKey.equals(fKey)) {
 				return true; // change of key
 			}
 			if (isAccessorRename()) {
 				return true;
 			}
 		} else {
 			if (!fInitialValue.equals(fValue)) {
 				return true; // change of value
 			}
 		}
 		return false;
 	}

 	public int getInitialState() {
 		return fInitialState;
 	}

 	public String getInitialKey() {
 		return fInitialKey;
 	}

 	public String getInitialValue() {
 		return fInitialValue;
 	}

 	public AccessorClassReference getAccessorClassReference() {
 		return fAccessorClassReference;
 	}

 	/**
 	 * Sets the prefix.
 	 */
 	public void setPrefix(String prefix) {
 		fPrefix= prefix;
 		fCachedPrefixPlusKey= null;
 	}

 	public boolean isConflicting(NLSSubstitution[] substitutions) {
 		if (fState == EXTERNALIZED) {
 			String currKey= getKey();
 			String currValue= getValueNonEmpty();
 			for (int i= 0; i < substitutions.length; i++) {
 				NLSSubstitution substitution= substitutions[i];
 				if (substitution != this && substitution.getState() == EXTERNALIZED) {
 					// same key but different value
 					if (currKey.equals(substitution.getKey()) && !currValue.equals(substitution.getValueNonEmpty())) {
 						return true;
 					}
 				}
 			}
 		}
 		return false;
 	}

 	private String internalGetKeyWithoutPrefix() {
 		if (fState == EXTERNALIZED && fPrefix != null && fKey != null && fKey.indexOf(fPrefix) == 0)
 			return fKey.substring(fPrefix.length());
 		return fKey;
 	}

 	public void generateKey(NLSSubstitution[] substitutions) {
 		if (fState != EXTERNALIZED || ((fState == EXTERNALIZED) && hasStateChanged())) {
 			int min= Integer.MAX_VALUE;
 			int max= Integer.MIN_VALUE;

 			for (int i= 0; i < substitutions.length; i++) {
 				NLSSubstitution substitution= substitutions[i];
 				if (substitution == this || substitution.fState != EXTERNALIZED)
 					continue;
 				try {
 					int value= Integer.parseInt(substitution.internalGetKeyWithoutPrefix());
 					min= Math.min(min, value);
 					max= Math.max(max, value);
 				} catch (NumberFormatException ex) {

 				}
 			}

 			fCachedPrefixPlusKey= null;
 			if (min == Integer.MAX_VALUE)
 				fKey= createKey(0);
 			else if (min > 0)
 				fKey= createKey(min-1);
 			else
 				fKey= createKey(max + 1);
 		}
 	}

 	public static void updateSubtitutions(NLSSubstitution[] substitutions, Properties props, String accessorClassName) {
 		for (int i= 0; i < substitutions.length; i++) {
 			NLSSubstitution substitution= substitutions[i];
 			if ((substitution.getState() == NLSSubstitution.EXTERNALIZED) && !substitution.hasStateChanged()) {
 				substitution.setInitialValue(props.getProperty(substitution.getKey()));
 				substitution.setUpdatedAccessor(accessorClassName);
 			}
 		}
 	}

 	public void revert() {
 		fState= fInitialState;
 		fKey= fInitialKey;
 		fCachedPrefixPlusKey= null;
 		fValue= fInitialValue;
 	}

 	private String createKey(int counter) {
 		return String.valueOf(counter);
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2000, 2006 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.jdt.internal.corext.refactoring.nls;

	import java.util.Properties;

	import org.eclipse.core.runtime.Assert;


	public class NLSSubstitution {
	public static final int EXTERNALIZED= 0;
	public static final int IGNORED= 1;
	public static final int INTERNALIZED= 2;

	public static final int DEFAULT= EXTERNALIZED;
	public static final int STATE_COUNT= 3;

	private int fState;
	private String fKey;
	/**
	* @since 3.1
	*/
	private String fCachedPrefixPlusKey;
	private String fValue;

	private int fInitialState;
	private String fInitialKey;
	private String fInitialValue;

	private NLSElement fNLSElement;
	private AccessorClassReference fAccessorClassReference;

	private String fNewAccessorClassName;

	private String fPrefix= ""; //$NON-NLS-1$


	public NLSSubstitution(int state, String value, NLSElement element) {
	fNLSElement= element;
	fValue= value;
	fState= state;
	fInitialState= state;
	fInitialValue= value;
	fCachedPrefixPlusKey= null;
	Assert.isTrue(state == EXTERNALIZED \|\| state == IGNORED \|\| state == INTERNALIZED);
	}

	/**
	* value == null indicates a corrupt substitution.
	*/
	public NLSSubstitution(int state, String key, String value, NLSElement element, AccessorClassReference accessorClassReference) {
	this(state,value,element);
	if (state != EXTERNALIZED) {
	throw new IllegalArgumentException("Set to INTERNALIZE/IGNORED State with different Constructor"); //$NON-NLS-1$
	}
	fKey= key;
	fInitialKey= key;
	fAccessorClassReference= accessorClassReference;
	fNewAccessorClassName= null;
	}

	//util
	public static int countItems(NLSSubstitution[] elems, int task) {
	Assert.isTrue(task == NLSSubstitution.EXTERNALIZED \|\| task == NLSSubstitution.IGNORED \|\| task == NLSSubstitution.INTERNALIZED);
	int result= 0;
	for (int i= 0; i < elems.length; i++) {
	if (elems[i].fState == task) {
	result++;
	}
	}
	return result;
	}

	public NLSElement getNLSElement() {
	return fNLSElement;
	}

	public String getKeyWithoutPrefix() {
	return fKey;
	}

	/**
	* Returns key dependent on state.
	* @return prefix + key when
	*/
	public String getKey() {
	if ((fState == EXTERNALIZED) && hasStateChanged()) {
	if (fCachedPrefixPlusKey == null) {
	int length= 0;
	if (fPrefix != null)
	length= length + fPrefix.length();
	if (fKey != null)
	length= length + fKey.length();
	StringBuffer sb= new StringBuffer(length);
	sb.append(fPrefix);
	sb.append(fKey);
	fCachedPrefixPlusKey= sb.toString();
	}
	return fCachedPrefixPlusKey;
	}
	return fKey;
	}

	public void setKey(String key) {
	if (fState != EXTERNALIZED) {
	throw new IllegalStateException("Must be in Externalized State !"); //$NON-NLS-1$
	}
	fCachedPrefixPlusKey= null;
	fKey= key;
	}

	public void setValue(String value) {
	fValue= value;
	}

	public void setInitialValue(String value) {
	fInitialValue= value;
	}

	/**
	* Value can be null.
	*/
	public String getValue() {
	return fValue;
	}

	public String getValueNonEmpty() {
	if (fValue == null) {
	return ""; //$NON-NLS-1$
	}
	return fValue;
	}

	public int getState() {
	return fState;
	}

	public void setState(int state) {
	fCachedPrefixPlusKey= null;
	fState= state;
	}

	public void setUpdatedAccessor(String accessorClassName) {
	fNewAccessorClassName= accessorClassName;
	}

	public String getUpdatedAccessor() {
	return fNewAccessorClassName;
	}

	public boolean hasStateChanged() {
	return fState != fInitialState;
	}

	public boolean isKeyRename() {
	return (fInitialKey != null && !fInitialKey.equals(fKey));
	}

	public boolean isValueRename() {
	return (fInitialValue != null && !fInitialValue.equals(fValue));
	}

	public boolean isAccessorRename() {
	return (fAccessorClassReference != null) && (fNewAccessorClassName != null) && !fNewAccessorClassName.equals(fAccessorClassReference.getName());
	}


	public boolean hasPropertyFileChange() {
	if (fInitialState != EXTERNALIZED && fState != EXTERNALIZED) {
	return false;
	}
	if (fInitialState != fState) {
	return true;
	}
	if (fState == EXTERNALIZED) {
	if (fInitialValue == null) {
	return true; // recreate entry in property file
	} else if (!fInitialValue.equals(fValue)) {
	return true; // change of value
	}
	if (!fInitialKey.equals(fKey)) {
	return true; // change of key
	}
	}
	return false;
	}

	public boolean hasAccessorClassChange() {
	if (fInitialState != EXTERNALIZED && fState != EXTERNALIZED) {
	return false;
	}
	if (fInitialState != fState) {
	return true;
	}
	if (fState == EXTERNALIZED) {
	if (fInitialValue == null) {
	return true; // recreate entry in property file
	} else if (!fInitialValue.equals(fValue)) {
	return false; // change of value
	}
	if (!fInitialKey.equals(fKey)) {
	return true; // change of key
	}
	}
	return false;
	}

	public boolean hasSourceChange() {
	if (hasStateChanged()) {
	return true;
	}
	if (fState == EXTERNALIZED) {
	if (!fInitialKey.equals(fKey)) {
	return true; // change of key
	}
	if (isAccessorRename()) {
	return true;
	}
	} else {
	if (!fInitialValue.equals(fValue)) {
	return true; // change of value
	}
	}
	return false;
	}

	public int getInitialState() {
	return fInitialState;
	}

	public String getInitialKey() {
	return fInitialKey;
	}

	public String getInitialValue() {
	return fInitialValue;
	}

	public AccessorClassReference getAccessorClassReference() {
	return fAccessorClassReference;
	}

	/**
	* Sets the prefix.
	*/
	public void setPrefix(String prefix) {
	fPrefix= prefix;
	fCachedPrefixPlusKey= null;
	}

	public boolean isConflicting(NLSSubstitution[] substitutions) {
	if (fState == EXTERNALIZED) {
	String currKey= getKey();
	String currValue= getValueNonEmpty();
	for (int i= 0; i < substitutions.length; i++) {
	NLSSubstitution substitution= substitutions[i];
	if (substitution != this && substitution.getState() == EXTERNALIZED) {
	// same key but different value
	if (currKey.equals(substitution.getKey()) && !currValue.equals(substitution.getValueNonEmpty())) {
	return true;
	}
	}
	}
	}
	return false;
	}

	private String internalGetKeyWithoutPrefix() {
	if (fState == EXTERNALIZED && fPrefix != null && fKey != null && fKey.indexOf(fPrefix) == 0)
	return fKey.substring(fPrefix.length());
	return fKey;
	}

	public void generateKey(NLSSubstitution[] substitutions) {
	if (fState != EXTERNALIZED \|\| ((fState == EXTERNALIZED) && hasStateChanged())) {
	int min= Integer.MAX_VALUE;
	int max= Integer.MIN_VALUE;

	for (int i= 0; i < substitutions.length; i++) {
	NLSSubstitution substitution= substitutions[i];
	if (substitution == this \|\| substitution.fState != EXTERNALIZED)
	continue;
	try {
	int value= Integer.parseInt(substitution.internalGetKeyWithoutPrefix());
	min= Math.min(min, value);
	max= Math.max(max, value);
	} catch (NumberFormatException ex) {

	}
	}

	fCachedPrefixPlusKey= null;
	if (min == Integer.MAX_VALUE)
	fKey= createKey(0);
	else if (min > 0)
	fKey= createKey(min-1);
	else
	fKey= createKey(max + 1);
	}
	}

	public static void updateSubtitutions(NLSSubstitution[] substitutions, Properties props, String accessorClassName) {
	for (int i= 0; i < substitutions.length; i++) {
	NLSSubstitution substitution= substitutions[i];
	if ((substitution.getState() == NLSSubstitution.EXTERNALIZED) && !substitution.hasStateChanged()) {
	substitution.setInitialValue(props.getProperty(substitution.getKey()));
	substitution.setUpdatedAccessor(accessorClassName);
	}
	}
	}

	public void revert() {
	fState= fInitialState;
	fKey= fInitialKey;
	fCachedPrefixPlusKey= null;
	fValue= fInitialValue;
	}

	private String createKey(int counter) {
	return String.valueOf(counter);
	}

	}