| /* |
| * Copyright 2000-2013 JetBrains s.r.o. |
| * |
| * Licensed 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 com.intellij.ide.util; |
| |
| import com.intellij.openapi.components.ServiceManager; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.util.ObjectUtils; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.lang.reflect.Field; |
| |
| /** |
| * @author max |
| * @author Konstantin Bulenkov |
| */ |
| public abstract class PropertiesComponent { |
| public abstract void unsetValue(String name); |
| |
| public abstract boolean isValueSet(String name); |
| |
| @Nullable |
| public abstract String getValue(@NonNls String name); |
| |
| public abstract void setValue(@NonNls String name, String value); |
| |
| /** |
| * Set value or unset if equals to default value |
| */ |
| public abstract void setValue(@NotNull String name, @NotNull String value, @NotNull String defaultValue); |
| |
| public abstract String[] getValues(@NonNls String name); |
| |
| public abstract void setValues(@NonNls String name, String[] values); |
| |
| public static PropertiesComponent getInstance(Project project) { |
| return ServiceManager.getService(project, PropertiesComponent.class); |
| } |
| |
| public static PropertiesComponent getInstance() { |
| return ServiceManager.getService(PropertiesComponent.class); |
| } |
| |
| public final boolean isTrueValue(@NonNls String name) { |
| return Boolean.valueOf(getValue(name)).booleanValue(); |
| } |
| |
| public final boolean getBoolean(@NonNls String name, boolean defaultValue) { |
| return isValueSet(name) ? isTrueValue(name) : defaultValue; |
| } |
| |
| @NotNull |
| public String getValue(@NonNls String name, @NotNull String defaultValue) { |
| if (!isValueSet(name)) { |
| return defaultValue; |
| } |
| return ObjectUtils.notNull(getValue(name), defaultValue); |
| } |
| |
| public final int getOrInitInt(@NonNls String name, int defaultValue) { |
| try { |
| return Integer.parseInt(getValue(name)); |
| } catch (NumberFormatException e) { |
| return defaultValue; |
| } |
| } |
| |
| public final long getOrInitLong(@NonNls String name, long defaultValue) { |
| try { |
| return Long.parseLong(getValue(name)); |
| } catch (NumberFormatException e) { |
| return defaultValue; |
| } |
| } |
| |
| public String getOrInit(@NonNls String name, String defaultValue) { |
| if (!isValueSet(name)) { |
| setValue(name, defaultValue); |
| return defaultValue; |
| } |
| return getValue(name); |
| } |
| |
| public final boolean saveFields(@NotNull Object object) { |
| try { |
| for (Field field : object.getClass().getDeclaredFields()) { |
| field.setAccessible(true); |
| PropertyName annotation = field.getAnnotation(PropertyName.class); |
| if (annotation != null) { |
| final String name = annotation.value(); |
| setValue(name, String.valueOf(field.get(object))); |
| } |
| } |
| return true; |
| } |
| catch (IllegalAccessException e) { |
| return false; |
| } |
| } |
| |
| public final boolean loadFields(@NotNull Object object) { |
| try { |
| for (Field field : object.getClass().getDeclaredFields()) { |
| field.setAccessible(true); |
| final PropertyName annotation = field.getAnnotation(PropertyName.class); |
| if (annotation != null) { |
| final Class<?> type = field.getType(); |
| |
| String defaultValue = annotation.defaultValue(); |
| if (PropertyName.NOT_SET.equals(defaultValue)) { |
| if (type.equals(boolean.class)) {defaultValue = String.valueOf(field.getBoolean(object));} |
| else if (type.equals(long.class)) {defaultValue = String.valueOf(field.getLong(object));} |
| else if (type.equals(int.class)) {defaultValue = String.valueOf(field.getInt(object));} |
| else if (type.equals(short.class)) {defaultValue = String.valueOf(field.getShort(object));} |
| else if (type.equals(byte.class)) {defaultValue = String.valueOf(field.getByte(object));} |
| else if (type.equals(double.class)) {defaultValue = String.valueOf(field.getDouble(object));} |
| else if (type.equals(float.class)) {defaultValue = String.valueOf(field.getFloat(object));} |
| else if (type.equals(String.class)) {defaultValue = String.valueOf(field.get(object));} |
| |
| } |
| final String stringValue = getValue(annotation.value(), defaultValue); |
| Object value = null; |
| |
| if (type.equals(boolean.class)) {value = Boolean.valueOf(stringValue);} |
| else if (type.equals(long.class)) {value = Long.parseLong(stringValue);} |
| else if (type.equals(int.class)) {value = Integer.parseInt(stringValue);} |
| else if (type.equals(short.class)) {value = Short.parseShort(stringValue);} |
| else if (type.equals(byte.class)) {value = Byte.parseByte(stringValue);} |
| else if (type.equals(double.class)) {value = Double.parseDouble(stringValue);} |
| else if (type.equals(float.class)) {value = Float.parseFloat(stringValue);} |
| else if (type.equals(String.class)) {value = stringValue;} |
| |
| if (value != null) { |
| field.set(object, value); |
| } |
| } |
| } |
| return true; |
| } |
| catch (IllegalAccessException e) { |
| return false; |
| } |
| } |
| |
| public float getFloat(String name, float defaultValue) { |
| if (isValueSet(name)) { |
| try { |
| return Float.parseFloat(getValue(name)); |
| } |
| catch (NumberFormatException ignore) {} |
| } |
| return defaultValue; |
| } |
| } |