package frame.object.reader;
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import java.lang.reflect.Method;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import frame.object.data.Entity;
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import frame.util.ContentBuilder;
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public class ObjectReader extends EntityReader implements Iterable<PropertyReader> {
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private int size;
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private String[] names;
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private String[] lowerNames;
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private Map<String, Integer> nameMap;
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private PropertyReader[] propertyReaderArray;
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public ObjectReader(Class<?> clazz) throws Exception {
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super(clazz);
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initValueReader(clazz);
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}
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@Override
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protected void initValueReader(Class<?> dataType) throws Exception {
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ObjectPropertyRecorder propertyRecorder = new ObjectPropertyRecorder();
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Method[] methods;
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String methodName;
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String property;
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char first;
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while (dataType != null) {
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//自己的所有方法(含私有)
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methods = dataType.getDeclaredMethods();
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for (Method method: methods) {
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if (method.isBridge()) {
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continue;
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}
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methodName = method.getName();
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Class<?>[] params = method.getParameterTypes();
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if (excludeMethods.contains(methodName.toLowerCase())) {
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continue;
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}
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if (methodName.startsWith("get")) {
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if (params.length > 0) {
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continue;
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}
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property = methodName.substring(3);
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first = property.charAt(0);
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property = Character.toLowerCase(first) + property.substring(1);
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propertyRecorder.addGetMethod(property, property, method);
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}
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else if (methodName.startsWith("is")) {
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if (params.length > 0) {
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continue;
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}
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property = methodName.substring(2);
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first = property.charAt(0);
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property = Character.toLowerCase(first) + property.substring(1);
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propertyRecorder.addGetMethod(property, methodName, method);
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}
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else if (methodName.startsWith("set")) {
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if (params.length > 1) {
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continue;
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}
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property = methodName.substring(3);
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first = property.charAt(0);
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property = Character.toLowerCase(first) + property.substring(1);
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propertyRecorder.addSetMethod(property, property, method);
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}
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}
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dataType = dataType.getSuperclass();
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}
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names = propertyRecorder.getNameArray();
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lowerNames = propertyRecorder.getLowerNameArray();
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nameMap = propertyRecorder.getNameMap();
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propertyReaderArray = propertyRecorder.getPropertyReaderArray();
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size = propertyReaderArray.length;
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}
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@Override
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public String getString(Object entity) {
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ContentBuilder result = new ContentBuilder();
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result.append("[");
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for (int i = 0; i < size; i++) {
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String value;
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try {
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value = propertyReaderArray[i].getJSONString(entity);
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} catch (Exception e) {
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value = "error";
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}
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result.append(lowerNames[i], ",").append(":").append(value);
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}
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result.append("]");
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return result.toString();
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}
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@Override
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public String getJSONString(Object entity) throws Exception {
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ContentBuilder result = new ContentBuilder();
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result.append("{");
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result.setEmpty(true);
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for (int i = 0; i < size; i++) {
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String value = propertyReaderArray[i].getJSONString(entity);
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result.append("\"", ",").append(lowerNames[i]).append("\":").append(value);
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}
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result.append("}");
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return result.toString();
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}
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@Override
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public String getJSONString(Object entity, String defaultValue) {
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try {
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return getJSONString(entity);
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}
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catch (Exception e) {
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return defaultValue;
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}
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}
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public String[] getNames() {
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return names;
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}
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public String[] getLowerNames() {
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return lowerNames;
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}
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public boolean containsProperty(String name) {
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if (name == null) {
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return false;
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}
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return nameMap.containsKey(name.toLowerCase());
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}
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public int size() {
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return size;
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}
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public Integer getIndexByName(String name) {
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if (name == null) {
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return null;
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}
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return nameMap.get(name.toLowerCase());
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}
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public PropertyReader getPropertyReader(String name) {
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if (name == null) {
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return null;
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}
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Integer idx = nameMap.get(name.toLowerCase());
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if (idx == null) {
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return null;
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}
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PropertyReader propertyReader = propertyReaderArray[idx];
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return propertyReader;
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}
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public PropertyReader getPropertyReader(int idx) {
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return propertyReaderArray[idx];
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}
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public void setData(String name, Object value, Object entity) throws Exception {
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if (name == null) {
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return;
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}
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Integer idx = nameMap.get(name.toLowerCase());
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if (idx == null) {
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throw new Exception("set data error: " + name + " not exist");
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}
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PropertyReader propertyReader = propertyReaderArray[idx];
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propertyReader.setData(entity, value);
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}
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public void setData(int idx, Object value, Object entity) throws Exception {
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if (idx >= 0 && idx < size) {
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PropertyReader propertyReader = propertyReaderArray[idx];
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propertyReader.setData(entity, value);
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}
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}
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public void setDataString(String name, String value, Object entity) throws Exception {
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if (name == null) {
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return;
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}
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Integer idx = nameMap.get(name.toLowerCase());
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if (idx == null) {
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throw new Exception("set data String error: " + name + " not exist");
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}
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PropertyReader propertyReader = propertyReaderArray[idx];
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propertyReader.setDataString(entity, value);
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}
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public void setDataString(int idx, String value, Object entity) throws Exception {
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if (idx >= 0 && idx < size) {
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PropertyReader propertyReader = propertyReaderArray[idx];
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propertyReader.setDataString(entity, value);
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}
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}
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public Object getData(String name, Object entity) throws Exception {
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if (name == null) {
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return null;
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}
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Integer idx = nameMap.get(name.toLowerCase());
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if (idx == null) {
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return null;
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}
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PropertyReader propertyReader = propertyReaderArray[idx];
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return propertyReader.getObject(entity);
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}
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public Object getData(int propertyIndex, Object entity) throws Exception {
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if (propertyIndex >= 0 && propertyIndex < size) {
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PropertyReader propertyReader = propertyReaderArray[propertyIndex];
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return propertyReader.getObject(entity);
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}
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else {
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throw new Exception("get data error: index " + propertyIndex + " out of 0~" + size);
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}
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}
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public String getString(String name, Object entity) {
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if (name == null) {
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return "error";
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}
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Integer idx = nameMap.get(name.toLowerCase());
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if (idx == null) {
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return "error";
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}
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try {
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PropertyReader propertyReader = propertyReaderArray[idx];
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return propertyReader.getString(entity);
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}
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catch (Exception e) {
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return "error";
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}
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}
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public String getString(int index, Object entity) {
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if (index >= 0 && index < size) {
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try {
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PropertyReader propertyReader = propertyReaderArray[index];
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return propertyReader.getString(entity);
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}
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catch (Exception e) {
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return "error";
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}
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}
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else {
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return "error";
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}
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}
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public String getJSONString(String name, Object entity) throws Exception {
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if (name == null) {
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return "error";
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}
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Integer idx = nameMap.get(name.toLowerCase());
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if (idx == null) {
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return "error";
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}
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try {
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PropertyReader propertyReader = propertyReaderArray[idx];
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return propertyReader.getJSONString(entity);
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}
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catch (Exception e) {
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return "error";
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}
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}
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public String getJSONString(int index, Object entity) throws Exception {
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if (index >= 0 && index < size) {
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try {
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PropertyReader propertyReader = propertyReaderArray[index];
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return propertyReader.getJSONString(entity);
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}
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catch (Exception e) {
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return "\"error\"";
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}
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}
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else {
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return "\"error\"";
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}
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}
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public String getSQLString(String name, Object entity) throws Exception {
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if (name == null) {
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throw new Exception("get sql String error: empty name");
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}
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Integer idx = nameMap.get(name.toLowerCase());
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if (idx == null) {
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throw new Exception("get sql String error: " + name + " not exist");
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}
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PropertyReader propertyReader = propertyReaderArray[idx];
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return propertyReader.getSQLString(entity);
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}
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public String getSQLString(int propertyIndex, Object entity) throws Exception {
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if (propertyIndex >= 0 && propertyIndex < size) {
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PropertyReader propertyReader = propertyReaderArray[propertyIndex];
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return propertyReader.getSQLString(entity);
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}
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else {
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throw new Exception("get json String error: index " + propertyIndex + " out of 0~" + size);
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}
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}
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public Integer getInteger(String name, Entity entity) throws Exception {
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if (name == null) {
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throw new Exception("get integer error: empty name");
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}
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Integer idx = nameMap.get(name.toLowerCase());
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if (idx == null) {
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throw new Exception("get integer error: " + name + " not exist");
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}
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PropertyReader propertyReader = propertyReaderArray[idx];
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return propertyReader.getInteger(entity);
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}
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public Double getDouble(String name, Entity entity) throws Exception {
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if (name == null) {
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throw new Exception("get double error: empty name");
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}
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Integer idx = nameMap.get(name.toLowerCase());
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if (idx == null) {
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throw new Exception("get integer error: " + name + " not exist");
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}
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PropertyReader propertyReader = propertyReaderArray[idx];
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return propertyReader.getDouble(entity);
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}
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public Boolean getBoolean(String name, Entity entity) throws Exception {
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if (name == null) {
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throw new Exception("get boolean error: empty name");
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}
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Integer idx = nameMap.get(name.toLowerCase());
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if (idx == null) {
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throw new Exception("get integer error: " + name + " not exist");
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}
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PropertyReader propertyReader = propertyReaderArray[idx];
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return propertyReader.getBoolean(entity);
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}
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public Date getDate(String name, Entity entity) throws Exception {
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if (name == null) {
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throw new Exception("get date error: empty name");
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}
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Integer idx = nameMap.get(name.toLowerCase());
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if (idx == null) {
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throw new Exception("get integer error: " + name + " not exist");
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}
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PropertyReader propertyReader = propertyReaderArray[idx];
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return propertyReader.getDate(entity);
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}
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public String getPropertyName(int idx) {
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return names[idx];
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}
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@Override
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public Iterator<PropertyReader> iterator() {
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return new PropertyIterator(this);
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}
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@Override
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public List<NameValuePair> getValueList(Object entity) throws Exception {
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List<NameValuePair> result = new ArrayList<NameValuePair>();
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for (int i = 0; i < size; i++) {
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Object value = propertyReaderArray[i].getObject(entity);
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result.add(new NameValuePair(names[i], value));
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}
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return result;
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}
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}
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