156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson/* 256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * Copyright (C) 2010 Google Inc. 356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * 456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * Licensed under the Apache License, Version 2.0 (the "License"); 556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * you may not use this file except in compliance with the License. 656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * You may obtain a copy of the License at 756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * 856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * http://www.apache.org/licenses/LICENSE-2.0 956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * 1056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * Unless required by applicable law or agreed to in writing, software 1156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * distributed under the License is distributed on an "AS IS" BASIS, 1256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * See the License for the specific language governing permissions and 1456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * limitations under the License. 1556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson */ 1656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 1756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodsonpackage com.google.clearsilver.jsilver.data; 1856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 1956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodsonimport com.google.clearsilver.jsilver.autoescape.EscapeMode; 2056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 2156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodsonimport java.io.IOException; 2256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 2356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson/** 2456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * This class is meant to hold implementation common to different instances of Data interface. 2556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson */ 2656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodsonpublic abstract class AbstractData implements Data { 2756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 2856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson protected EscapeMode escapeMode = EscapeMode.ESCAPE_NONE; 2956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 3056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public int getIntValue() { 3156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson // If we ever use the integer value of a node to create the string 3256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson // representation we must ensure that an empty node is not mistaken 3356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson // for a node with the integer value '0'. 3456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson return TypeConverter.asNumber(getValue()); 3556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 3656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 3756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public boolean getBooleanValue() { 3856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson // If we ever use the boolean value of a node to create the string 3956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson // representation we must ensure that an empty node is not mistaken 4056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson // for a node with the boolean value 'false'. 4156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson return TypeConverter.asBoolean(getValue()); 4256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 4356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 4456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson // ******************* Convenience methods ******************* 4556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 4656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson /** 4756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * Retrieves the value at the specified path in this HDF node's subtree. 4856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * 4956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * Use {@link #getValue(String)} in preference to ensure ClearSilver compatibility. 5056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson */ 5156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public String getValue(String path, String defaultValue) { 5256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson Data child = getChild(path); 5356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson if (child == null) { 5456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson return defaultValue; 5556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } else { 5656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson String result = child.getValue(); 5756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson return result == null ? defaultValue : result; 5856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 5956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 6056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 6156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson /** 6256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * Retrieves the integer value at the specified path in this HDF node's subtree. If the value does 6356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * not exist, or cannot be converted to an integer, default_value will be returned. 6456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * 6556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * Use {@link #getValue(String)} in preference to ensure ClearSilver compatibility. 6656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson */ 6756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public int getIntValue(String path, int defaultValue) { 6856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson Data child = getChild(path); 6956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson if (child == null) { 7056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson return defaultValue; 7156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } else { 7256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson String result = child.getValue(); 7356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson try { 7456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson return result == null ? defaultValue : TypeConverter.parseNumber(result); 7556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } catch (NumberFormatException e) { 7656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson return defaultValue; 7756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 7856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 7956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 8056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 8156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson /** 8256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * Retrieves the value at the specified path in this HDF node's subtree. If not found, returns 8356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * null. 8456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson */ 8556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public String getValue(String path) { 8656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson return getValue(path, null); 8756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 8856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 8956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson /** 9056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * Retrieves the value at the specified path in this HDF node's subtree. If not found or invalid, 9156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * returns 0. 9256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson */ 9356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public int getIntValue(String path) { 9456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson return TypeConverter.asNumber(getChild(path)); 9556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 9656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 9756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson /** 9856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * Retrieves the value at the specified path in this HDF node's subtree. If not found or invalid, 9956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * returns false. 10056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson */ 10156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public boolean getBooleanValue(String path) { 10256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson return TypeConverter.asBoolean(getChild(path)); 10356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 10456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 10556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson /** 10656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson * Sets the value at the specified path in this HDF node's subtree. 10756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson */ 10856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public void setValue(String path, String value) { 10956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson Data child = createChild(path); 11056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson child.setValue(value); 11156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 11256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 11356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson // ******************* String representation ******************* 11456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 11556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson @Override 11656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public String toString() { 11756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson StringBuilder stringBuilder = new StringBuilder(); 11856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson toString(stringBuilder, 0); 11956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson return stringBuilder.toString(); 12056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 12156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 12256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public void toString(StringBuilder out, int indent) { 12356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson try { 12456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson write(out, indent); 12556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } catch (IOException ioe) { 12656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson throw new RuntimeException(ioe); // COV_NF_LINE 12756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 12856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 12956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 13056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson @Override 13156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public void optimize() { 13256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson // Do nothing. 13356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 13456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 13556ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson @Override 13656ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public void setEscapeMode(EscapeMode mode) { 13756ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson this.escapeMode = mode; 13856ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 13956ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson 14056ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson @Override 14156ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson public EscapeMode getEscapeMode() { 14256ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson return escapeMode; 14356ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson } 14456ed4167b942ec265f9cee70ac4d71d10b3835ceBen Dodson} 145