Jackson JSON and objects, several transformations of the collection

Jackson JSON and objects, several transformations of the collection

Package Com.crm.net.util;import Java.io.bufferedreader;import Java.io.bytearrayinputstream;import Java.io.ioexception;import Java.io.inputstreamreader;import Java.util.list;import Org.codehaus.jackson.jsonparseexception;import Org.codehaus.jackson.map.deserializationconfig;import Org.codehaus.jackson.map.jsonmappingexception;import Org.codehaus.jackson.map.objectmapper;import Org.codehaus.jackson.type.javatype;public class Jsonutils<t> {//objectmapper mapper2 = new Objectmapper ();// Logininfo user = Mapper2.readvalue (result.tostring (), Logininfo.class),//system.out.println ("User:" + user);/** * converted To List * * @param josn * @param clz * @return */public list<t> jsonconverlist (String josn, Class clz) {Objectmapper J Acksonmapper = new Objectmapper (); list<t> me = null;try {jacksonmapper.disable (DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES);// Jacksonmapper.enabledefaulttyping ();//Jacksonmapper.setvisibility (Jsonmethod.field, JsonAutoDetect.Visibility.ANY);//JacKsonmapper.configure (serializationconfig.feature.indent_output,//false);//Format// Jacksonmapper.setserializationinclusion (JsonSerialize.Inclusion.NON_NULL);//Jacksonmapper.configure ( serializationconfig.feature.fail_on_empty_beans,//false); Javatype Javatype = Jacksonmapper.gettypefactory (). Constructparametrictype (List.class, CLZ);//Clz.selGenType (). GetClass () Me = Jacksonmapper.readvalue (Josn, javatype);} catch (Jsonparseexception e) {e.printstacktrace ();} catch (Jsonmappingexception e) {e.printstacktrace ();} catch ( IOException e) {e.printstacktrace ();} return me;} /** * Conversion object contains JSON * * @param josn * @param clz * @return */public T jsonconverobject (String josn, class<t> clz) {T t = null;//objectmapper jacksonmapper = new Objectmapper (); InputStreamReader in = new InputStreamReader (New ByteArrayInpu TStream (Josn.getbytes ())); BufferedReader streamReader = new BufferedReader (in); StringBuilder buff = new StringBuilder (); String Inputstr;try {while (inputstr = StreamReader.ReadLine ())!= null) buff.append (INPUTSTR), Objectmapper mapper = new Objectmapper (); t = Mapper.readvalue (buff.tostring (), CLZ);} catch (IOException e) {e.printstacktrace ();} return t;}}

Jackson JSON and objects, several transformations of the collection