AutocompleteGenericoServlet.java
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package gcom.gui;
import gcom.fachada.Fachada;
import gcom.util.Util;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.StringCharacterIterator;
import java.util.Collection;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class AutocompleteGenericoServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private static final int CLIENTE = 1;
private static final int USUARIO = 2;
private static final int CLIENTE_RESPONSAVEL = 3;
private Fachada fachada = Fachada.getInstancia();
protected void service(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
String valor = req.getParameter("q");
String method = req.getParameter("method");
PrintWriter print = resp.getWriter();
boolean numerico = Util.validarStringNumerica(method);
//Valida se o parâmetro method possui valor válido
if(numerico){
switch (Integer.parseInt(method)) {
case AutocompleteGenericoServlet.CLIENTE:
filtrarAutocompleteCliente(print, valor);
break;
case AutocompleteGenericoServlet.USUARIO:
filtrarAutocompleteUsuario(print, valor);
break;
case AutocompleteGenericoServlet.CLIENTE_RESPONSAVEL:
filtrarAutocompleteClienteResponsavel(print, valor);
break;
default:
break;
}
}
}
//Inicio dos metodos privados
private void filtrarAutocompleteCliente(PrintWriter print, String valor){
Collection coll = fachada.filtrarAutocompleteCliente(valor);
System.out.println(coll.size());
print.println("[");
int indice = 1;
for (Object object : coll) {
Object[] cliente = (Object[]) object;
String cnpj = "";
if(cliente[1] != null && !cliente[1].equals("")){
cnpj = Util.formatarCnpj(cliente[1] + "");
}
if(indice < coll.size()){
print.println("{ resultado: '" + cliente[0] + " - " + encodeCaracteresEspeciaisJSON(cliente[2].toString()) +"' , identificador: "+cliente[3]+", cnpj: '"+cnpj+ "' },");
}else{
print.println("{ resultado: '" + cliente[0] + " - " + encodeCaracteresEspeciaisJSON(cliente[2].toString()) +"' , identificador: "+cliente[3]+", cnpj: '"+cnpj+ "' }");
}
indice++;
}
print.println("]");
}
private void filtrarAutocompleteClienteResponsavel(PrintWriter print, String valor){
Collection coll = fachada.filtrarAutocompleteClienteResponsavel(valor);
System.out.println(coll.size());
print.println("[");
int indice = 1;
for (Object object : coll) {
Object[] cliente = (Object[]) object;
String cnpj = "";
if(cliente[1] != null && !cliente[1].equals("")){
cnpj = Util.formatarCnpj(cliente[1] + "");
}
if(indice < coll.size()){
print.println("{ resultado: '" + cliente[0] + " - " + encodeCaracteresEspeciaisJSON(cliente[2].toString()) +"' , identificador: "+cliente[3]+", cnpj: '"+cnpj+ "' },");
}else{
print.println("{ resultado: '" + cliente[0] + " - " + encodeCaracteresEspeciaisJSON(cliente[2].toString()) +"' , identificador: "+cliente[3]+", cnpj: '"+cnpj+ "' }");
}
indice++;
}
print.println("]");
}
private void filtrarAutocompleteUsuario(PrintWriter print, String valor){
Collection coll = fachada.filtrarAutocompleteUsuario(valor);
System.out.println(coll.size());
for (Object object : coll) {
Object[] usuario = (Object[]) object;
print.println(usuario[0] + " - " + encodeCaracteresEspeciaisJSON(usuario[1].toString()));
}
}
private static String encodeCaracteresEspeciaisJSON(String aText){
final StringBuilder result = new StringBuilder();
StringCharacterIterator iterator = new StringCharacterIterator(aText);
char character = iterator.current();
while (character != StringCharacterIterator.DONE){
if( character == '\"' ){
result.append("\\\"");
}
else if(character == '\\'){
result.append("\\\\");
}
else if(character == '/'){
result.append("\\/");
}
else if(character == '\b'){
result.append("\\b");
}
else if(character == '\f'){
result.append("\\f");
}
else if(character == '\n'){
result.append("\\n");
}
else if(character == '\r'){
result.append("\\r");
}
else if(character == '\t'){
result.append("\\t");
}else if(character == '\''){
result.append("\\'");
}
else {
//the char is not a special one
//add it to the result as is
result.append(character);
}
character = iterator.next();
}
return result.toString();
}
}