| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.netbeans.api.debugger; |
| |
| import java.beans.PropertyChangeListener; |
| import java.beans.PropertyChangeSupport; |
| |
| /** |
| * Abstract definition of watch. Each watch is created for |
| * one String which contains the name of variable or some expression. |
| * |
| * @author Jan Jancura |
| */ |
| public final class Watch { |
| |
| /** Name of the property for the watched expression. */ |
| public static final String PROP_EXPRESSION = "expression"; // NOI18N |
| /** Name of the property for the value of the watched expression. This constant is not used at all. */ |
| public static final String PROP_VALUE = "value"; // NOI18N |
| /** Name of the property for the enabled status of the watch. |
| * @since 1.36 */ |
| public static final String PROP_ENABLED = "enabled"; // NOI18N |
| |
| private String expression; |
| private boolean enabled = true; |
| private PropertyChangeSupport pcs; |
| |
| private final Pin pin; |
| |
| Watch (String expr) { |
| this(expr, null); |
| } |
| |
| Watch (String expr, Pin pin) { |
| this.expression = expr; |
| this.pin = pin; |
| pcs = new PropertyChangeSupport (this); |
| } |
| |
| /** |
| * Test whether the watch is enabled. |
| * |
| * @return <code>true</code> if the watch is enabled, |
| * <code>false</code> otherwise. |
| * @since 1.36 |
| */ |
| public synchronized boolean isEnabled () { |
| return enabled; |
| } |
| |
| /** |
| * Set enabled state of the watch. |
| * @param enabled <code>true</code> if this watch should be enabled, |
| * <code>false</code> otherwise |
| * @since 1.36 |
| */ |
| public void setEnabled(boolean enabled) { |
| synchronized(this) { |
| if (enabled == this.enabled) return ; |
| this.enabled = enabled; |
| } |
| pcs.firePropertyChange (PROP_ENABLED, !enabled, enabled); |
| } |
| |
| /** |
| * Return expression this watch is created for. |
| * |
| * @return expression this watch is created for |
| */ |
| public synchronized String getExpression () { |
| return expression; |
| } |
| |
| /** |
| * Set the expression to watch. |
| * |
| * @param expression expression to watch |
| */ |
| public void setExpression (String expression) { |
| String old; |
| synchronized(this) { |
| old = this.expression; |
| this.expression = expression; |
| } |
| pcs.firePropertyChange (PROP_EXPRESSION, old, expression); |
| } |
| |
| /** |
| * Get a pin location, where the watch is pinned at, if any. |
| * @return The watch pin, or <code>null</code>. |
| * @since 1.54 |
| */ |
| public Pin getPin() { |
| return pin; |
| } |
| |
| /** |
| * Remove the watch from the list of all watches in the system. |
| */ |
| public void remove () { |
| DebuggerManager dm = DebuggerManager.getDebuggerManager (); |
| dm.removeWatch (this); |
| } |
| |
| /** |
| * Add a property change listener. |
| * |
| * @param l the listener to add |
| */ |
| public void addPropertyChangeListener (PropertyChangeListener l) { |
| pcs.addPropertyChangeListener (l); |
| } |
| |
| /** |
| * Remove a property change listener. |
| * |
| * @param l the listener to remove |
| */ |
| public void removePropertyChangeListener (PropertyChangeListener l) { |
| pcs.removePropertyChangeListener (l); |
| } |
| |
| /** |
| * A base interface for a watch pin location. Implemented by specific |
| * platform-dependent and location-dependent implementation. |
| * See <code>org.netbeans.spi.debugger.ui.EditorPin</code> for the NetBeans |
| * editor pin implementation. |
| * @since 1.54 |
| */ |
| public static interface Pin { |
| |
| } |
| } |
| |