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Java Framework based on Spring Framework, Freemarker and Simplicity
package com.clickntap.api;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.lang.reflect.Method;
import java.net.InetAddress;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.json.JSONObject;
import org.springframework.core.io.Resource;
import org.springframework.validation.FieldError;
import org.springframework.validation.ValidationUtils;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;
import com.clickntap.hub.App;
import com.clickntap.smart.SmartBindingResult;
import com.clickntap.smart.SmartContext;
import com.clickntap.tool.bean.BeanUtils;
import com.clickntap.utils.AsciiUtils;
import com.clickntap.utils.ConstUtils;
import com.clickntap.utils.IOUtils;
import freemarker.template.utility.StringUtil;
public class ApiController implements Controller {
private Set localAddresses = new HashSet();
private App app;
private Resource rootDir;
private Api api;
private String apiKey;
private Boolean apiSecure;
public String getApiKey() {
return apiKey;
}
public void setApiKey(String apiKey) {
this.apiKey = apiKey;
}
public Boolean getApiSecure() {
return apiSecure;
}
public void setApiSecure(Boolean apiSecure) {
this.apiSecure = apiSecure;
}
public Resource getRootDir() {
return rootDir;
}
public void setRootDir(Resource rootDir) {
this.rootDir = rootDir;
}
public void setApp(App app) {
this.app = app;
}
public Api getApi() {
return api;
}
public void setApi(Api api) {
this.api = api;
}
public ApiController() throws Exception {
localAddresses.add(InetAddress.getLocalHost().getHostAddress());
for (InetAddress inetAddress : InetAddress.getAllByName("localhost")) {
localAddresses.add(inetAddress.getHostAddress());
}
}
public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
try {
String uri = request.getRequestURI();
if (api != null) {
if (api.handleRequest(request, response)) {
return null;
}
}
if (uri.indexOf("/api/") > 0) {
uri = uri.substring(uri.indexOf("/api/"));
}
if (uri.indexOf("/api/") == 0) {
String groupName = null;
String entityName = null;
String action = null;
int n = 0;
String[] names = StringUtil.split(uri.substring(5), '/');
for (String name : names) {
if (!name.isEmpty()) {
if (n == 0) {
groupName = name;
}
if (n == 1) {
entityName = name;
}
if (n == 2) {
action = name;
}
n++;
}
}
SmartContext context;
try {
context = new SmartContext(request, response);
} catch (Exception e1) {
return null;
}
Cookie[] cookies = request.getCookies();
String token = null;
if (cookies != null) {
for (Cookie cookie : cookies) {
if (cookie.getName().equals("cookie")) {
token = cookie.getValue();
}
}
}
if (groupName.equals("token")) {
JSONObject json = new JSONObject();
if (token == null) {
json.put("token", addTokenCookie(response));
} else {
json.put("token", getTokenCookie(response, token));
}
out(response, json);
return null;
}
if (getApiKey() != null) {
if (token == null) {
return null;
} else {
String headerToken = request.getHeader("token");
if (!getTokenCookie(response, token).equals(headerToken)) {
return null;
}
}
}
if (groupName != null && entityName != null && action != null) {
BOFilter filter = (BOFilter) BeanUtils.getValue(app, groupName);
if (action.equals("search")) {
Method method = org.springframework.beans.BeanUtils.findDeclaredMethod(filter.getClass(), fixS("search" + entityName + "s"), String.class);
List list = (List) method.invoke(filter, URLDecoder.decode(names[3], ConstUtils.UTF_8));
list = api.onSearch(filter.getClass(), list);
JSONObject result = new JSONObject();
List items = new ArrayList();
for (BO bo : list) {
items.add(bo.json(false));
}
result.put("size", items.size());
result.put("items", items);
out(response, result);
} else if (action.equals("add")) {
SmartBindingResult bindingResult = context.bind(entityName, this.getClass().getPackage().getName() + ".bo." + groupName + "." + entityName, "app", null, null, null);
BO bo = (BO) context.get(entityName);
if (!context.param("username").isEmpty()) {
String username = BeanUtils.getValue(bo, "username").toString();
username = AsciiUtils.webize(AsciiUtils.utf7ToText(username));
BeanUtils.setValue(bo, "username", username);
}
Map conf = new HashMap();
conf.put("appId", context.param("appId"));
api.onPreAdd(bo, conf);
ValidationUtils.invokeValidator(app.getValidator(bo, "create"), bo, bindingResult.getBindingResult());
if (bindingResult.getBindingResult().getAllErrors().size() == 0) {
bo.create();
api.onAdd(bo, conf);
out(response, bo);
} else {
outErrors(response, context, bindingResult);
}
} else if (action.equals("edit")) {
String[] fields = new String[1];
fields[0] = "id";
SmartBindingResult bindingResult = context.bind(entityName, this.getClass().getPackage().getName() + ".bo." + groupName + "." + entityName, "app", fields, null, "request");
BO bo = (BO) context.get(entityName);
bo.read();
bindingResult = context.bind(entityName, this.getClass().getPackage().getName() + ".bo." + groupName + "." + entityName, "app", null, null, "request");
if (!context.param("username").isEmpty()) {
String username = BeanUtils.getValue(bo, "username").toString();
username = AsciiUtils.webize(AsciiUtils.utf7ToText(username));
BeanUtils.setValue(bo, "username", username);
}
ValidationUtils.invokeValidator(app.getValidator(bo, "update"), bo, bindingResult.getBindingResult());
if (bindingResult.getBindingResult().getAllErrors().size() == 0) {
bo.update();
Map conf = new HashMap();
conf.put("appId", context.param("appId"));
api.onEdit(bo, conf);
out(response, bo);
} else {
outErrors(response, context, bindingResult);
}
} else if (action.equals("weight")) {
BO bo = getBo(request, response, groupName, entityName);
bo.read();
JSONObject json = new JSONObject();
json.put(action, bo.deleteWeight());
out(response, json);
} else if (action.equals("delete")) {
BO bo = getBo(request, response, groupName, entityName);
JSONObject json = new JSONObject();
json.put("n", bo.delete());
out(response, json);
} else if (action.equals("read")) {
BO bo = getBo(request, response, groupName, entityName);
bo.read();
JSONObject json = bo.json();
api.onRead(bo, json);
out(response, json);
} else if (action.equals("auth")) {
BO bo = getBo(request, response, groupName, entityName);
bo.read("auth");
if (bo.getId() != null) {
bo.read();
Map conf = new HashMap();
conf.put("appId", context.param("appId"));
api.onAuth(bo, conf);
}
out(response, bo);
} else if (action.equals("changePassword")) {
String[] fields = new String[4];
fields[0] = "id";
fields[1] = "oldPassword";
fields[2] = "newPassword";
fields[3] = "confirmNewPassword";
SmartBindingResult bindingResult = context.bind(entityName, this.getClass().getPackage().getName() + ".bo." + groupName + "." + entityName, "app", fields, null, "request");
BO bo = (BO) context.get(entityName);
bindingResult = context.bind(entityName, this.getClass().getPackage().getName() + ".bo." + groupName + "." + entityName, "app", null, null, "request");
ValidationUtils.invokeValidator(app.getValidator(bo, "execute-password"), bo, bindingResult.getBindingResult());
if (bindingResult.getBindingResult().getAllErrors().size() == 0) {
bo.execute("password");
out(response, bo);
} else {
outErrors(response, context, bindingResult);
}
} else if (action.equals("forgotPassword") || action.equals("forgot")) {
// String[] fields = new String[4];
// fields[0] = "email";
// SmartBindingResult bindingResult = context.bind(entityName,
// this.getClass().getPackage().getName() + ".bo." + groupName + "." +
// entityName, "app", fields, null, "request");
// BO bo = (BO) context.get(entityName);
// bindingResult = context.bind(entityName,
// this.getClass().getPackage().getName() + ".bo." + groupName + "." +
// entityName, "app", null, null, "request");
// ValidationUtils.invokeValidator(app.getValidator(bo, "create"), bo,
// bindingResult.getBindingResult());
// bo.read("email");
// if (bindingResult.getBindingResult().getAllErrors().size() == 0) {
// out(response, bo);
// } else {
// outErrors(response, context, bindingResult);
// }
// if (bo.getId() != null) {
// bo.read();
// JSONObject json = new JSONObject();
// json.put(action, true);
// out(response, json);
// } else {
// JSONObject json = new JSONObject();
// json.put(action, false);
// out(response, json);
// }
} else {
Long actionId = 0L;
try {
actionId = Long.parseLong(action);
} catch (Exception e) {
actionId = 0L;
}
if (actionId != 0L) {
Method method = org.springframework.beans.BeanUtils.findDeclaredMethod(filter.getClass(), "get" + entityName, Number.class);
BO bo = (BO) method.invoke(filter, actionId);
if (bo != null) {
JSONObject json = bo.json();
api.onRead(bo, json);
out(response, json);
} else {
String className = this.getClass().getPackage().getName() + ".bo." + groupName + "." + entityName;
out(response, api.onNull(Class.forName(className), context));
}
} else {
if (action != null && !action.trim().isEmpty()) {
String className = this.getClass().getPackage().getName() + ".bo." + groupName + "." + entityName;
BO bo = (BO) api.get((Class) Class.forName(className), action);
if (bo != null) {
JSONObject json = bo.json();
api.onRead(bo, json);
out(response, json);
} else {
out(response, api.onNull(Class.forName(className), context));
}
} else {
out(response, api.api(uri, context));
}
}
}
} else {
out(response, api.api(uri, context));
}
}
if (uri.indexOf("/click/") > 0) {
uri = uri.substring(uri.indexOf("/click/"));
}
if (uri.indexOf("/click/") == 0) {
if (uri.startsWith("/click/ui/")) {
File f = new File(getRootDir().getFile().getCanonicalPath() + "/" + uri.substring(7));
if (f.getName().endsWith(".css")) {
response.setContentType("text/css; charset=UTF-8");
}
if (f.getName().endsWith(".svg")) {
response.setContentType("image/svg+xml; charset=UTF-8");
}
if (f.getName().endsWith(".png")) {
response.setContentType("image/png");
}
if (f.getName().endsWith(".js")) {
response.setContentType("text/javascript; charset=UTF-8");
}
if (f.getName().endsWith(".pdf")) {
response.setContentType("application/pdf; charset=UTF-8");
}
if (f.exists()) {
FileInputStream in = new FileInputStream(f);
IOUtils.copy(in, response.getOutputStream());
in.close();
}
return null;
}
}
} catch (Exception e) {
}
return null;
}
private String getTokenCookie(HttpServletResponse response, String token) throws Exception {
return api.getTokenCookie(app, response, token, getApiSecure());
}
private String addTokenCookie(HttpServletResponse response) throws Exception {
return api.addTokenCookie(app, response, getApiSecure());
}
private BO getBo(HttpServletRequest request, HttpServletResponse response, String groupName, String entityName) throws Exception {
SmartContext context = new SmartContext(request, response);
String[] fields = new String[4];
fields[0] = "id";
fields[1] = "username";
fields[2] = "password";
fields[3] = "email";
context.bind(entityName, this.getClass().getPackage().getName() + ".bo." + groupName + "." + entityName, "app", fields, null, "request");
BO bo = (BO) context.get(entityName);
return bo;
}
private void outErrors(HttpServletResponse response, SmartContext context, SmartBindingResult bindingResult) throws IOException, UnsupportedEncodingException {
JSONObject json = new JSONObject();
List errors = new ArrayList();
for (FieldError fieldError : bindingResult.getBindingResult().getFieldErrors()) {
JSONObject item = new JSONObject();
String error = context.tr("error." + fieldError.getCode() + "." + fieldError.getObjectName().toLowerCase() + "." + fieldError.getField());
item.put("name", fieldError.getField());
item.put("error", error);
errors.add(item);
}
json.put("errors", errors);
out(response, json);
}
private void out(HttpServletResponse response, BO bo) throws IOException, UnsupportedEncodingException {
out(response, bo.json());
}
private void out(HttpServletResponse response, JSONObject json) throws IOException, UnsupportedEncodingException {
response.setContentType("application/json; charset=UTF-8");
response.getOutputStream().write(json.toString(2).getBytes(ConstUtils.UTF_8));
}
private String fixS(String name) {
for (int i = 'a'; i <= 'z'; i++) {
if (i == 'a' || i == 'e' || i == 'i' || i == 'o' || i == 'u') {
continue;
}
name = StringUtil.replace(name, ((char) i) + "ys(", ((char) i) + "ies(");
name = StringUtil.replace(name, ((char) i) + "ys\"", ((char) i) + "ies\"");
}
return name;
}
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