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authorGerwin Gsenger <g.gsenger@datentechnik-innovation.at>2015-01-13 14:43:57 +0100
committerThomas Lenz <tlenz@iaik.tugraz.at>2015-06-19 11:07:44 +0200
commit3ee292090346f27e7e23d4943b74ada281f20552 (patch)
tree4cb00377a31757a39689bec25ee0dc20aca978ee /id/server/idserverlib/src
parentccb85bd3fcd268b4e3cece2d57c1a92374cbc59d (diff)
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add initial deserialization, small code restructuring
Diffstat (limited to 'id/server/idserverlib/src')
-rw-r--r--id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/config/auth/ConfigurationToJSONConverter.java118
1 files changed, 90 insertions, 28 deletions
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/config/auth/ConfigurationToJSONConverter.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/config/auth/ConfigurationToJSONConverter.java
index 2efb1e251..00a685b5e 100644
--- a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/config/auth/ConfigurationToJSONConverter.java
+++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/config/auth/ConfigurationToJSONConverter.java
@@ -8,16 +8,19 @@ import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.PrintWriter;
import java.lang.reflect.InvocationTargetException;
-import java.util.ArrayList;
-import java.util.List;
+import java.util.HashMap;
+import java.util.Map;
import at.gv.egovernment.moa.id.config.ConfigurationException;
import at.gv.egovernment.moa.id.config.ConfigurationProvider;
import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.core.JsonGenerationException;
+import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
@@ -30,8 +33,18 @@ public class ConfigurationToJSONConverter {
try {
ConfigurationToJSONConverter converter = new ConfigurationToJSONConverter();
- List<String> jsonResults = converter.convertConfigToJSONStrings(true);
- System.out.println(jsonResults);
+ Map<String, String> jsonResults = converter.convertConfigToJSONStrings(true);
+ for (String name : jsonResults.keySet()) {
+ System.out.println("Method: " + name + " = ");
+ System.out.println(jsonResults.get(name));
+ converter.convertJsonStringToObject(jsonResults.get(name));
+ }
+
+ System.out.println("Try conversion from Json to object");
+ for (String name : jsonResults.keySet()) {
+ Object obj = converter.convertJsonStringToObject(jsonResults.get(name));
+ System.out.println(obj);
+ }
} catch (ConfigurationException e) {
e.printStackTrace();
@@ -51,9 +64,10 @@ public class ConfigurationToJSONConverter {
try (PrintWriter outStream = new PrintWriter(out)) {
// get pretty printed JSON
ConfigurationToJSONConverter converter = new ConfigurationToJSONConverter();
- List<String> jsonResults = converter.convertConfigToJSONStrings(isPrettyPrint);
- for (String json : jsonResults) {
- outStream.println(json);
+ Map<String, String> jsonResults = converter.convertConfigToJSONStrings(isPrettyPrint);
+ for (String name : jsonResults.keySet()) {
+ outStream.println(name);
+ outStream.println(jsonResults.get(name));
}
}
@@ -61,24 +75,17 @@ public class ConfigurationToJSONConverter {
public void writeConfigToJSONDB() throws ConfigurationException {
ConfigurationToJSONConverter converter = new ConfigurationToJSONConverter();
- List<String> jsonResults = converter.convertConfigToJSONStrings(false);
- if(jsonResults.isEmpty()){
+ Map<String, String> jsonResults = converter.convertConfigToJSONStrings(false);
+ if (jsonResults.isEmpty()) {
System.out.println("WARN: writing EMPTY configuration to database");
}
// TODO: write to db
}
- public List<String> convertConfigToJSONStrings(boolean prettyPrint) {
-
- List<String> result = new ArrayList<String>();
- ObjectMapper mapper = new ObjectMapper();
- mapper.setVisibility(PropertyAccessor.ALL, Visibility.NONE);
- mapper.setVisibility(PropertyAccessor.GETTER, Visibility.PUBLIC_ONLY);
- mapper.setVisibility(PropertyAccessor.IS_GETTER, Visibility.PUBLIC_ONLY);
+ public Map<String, String> convertConfigToJSONStrings(boolean prettyPrint) {
- if (prettyPrint) {
- mapper.enable(SerializationFeature.INDENT_OUTPUT);
- }
+ Map<String, String> result = new HashMap<String, String>();
+ JsonMapper mapper = new JsonMapper(prettyPrint);
try {
// find all getter methods
@@ -89,30 +96,85 @@ public class ConfigurationToJSONConverter {
&& (!"class".equals(pd.getName()))
&& (pd.getReadMethod().getAnnotation(JsonIgnore.class) == null)) {
try {
+ JsonProperty name = pd.getReadMethod().getAnnotation(JsonProperty.class);
// get result of get method
Object tmp = pd.getReadMethod().invoke(config);
// convert result to JSON
- String show = mapper.writeValueAsString(tmp);
- System.out.println("Method: " + pd.getDisplayName());
- System.out.println(show);
- result.add(show);
+ String json = mapper.serialize(tmp);
+ if (name != null) {
+ result.put(name.value(), json);
+ } else {
+ System.out.println("CHECK if '" + pd.getDisplayName() + "' is NOT ANNOTATED");
+ }
+
} catch (JsonGenerationException | JsonMappingException e) {
- System.out.println("Problems while writing JSON as String");
- return new ArrayList<String>();
+ System.out.println("Problems while writing JSON as String");
+ return new HashMap<String, String>();
}
}
}
- // TODO: handle static methods
+ // no static method handling needed
} catch (IntrospectionException | IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
System.out.println("Problems while using reflection to get all getter methods.");
} catch (IOException e) {
- System.out.println("Problems while writing JSON as String");
- return new ArrayList<String>();
+ System.out.println("Problems while writing JSON as string");
+ return new HashMap<String, String>();
}
return result;
}
+ public Object convertJsonStringToObject(String jsonString){
+ JsonMapper mapper = new JsonMapper();
+ Object result = null;
+ try {
+ result = mapper.deserialize(jsonString, null);
+ } catch (JsonParseException | JsonMappingException e) {
+ System.out.println("Problems parsing the JSON string");
+ return null;
+ } catch (IOException e) {
+ System.out.println("Problems while reading JSON string");
+ return null;
+ }
+
+ return result;
+ }
+
+ private class JsonMapper {
+
+ private ObjectMapper mapper = new ObjectMapper();
+
+ public JsonMapper(){
+ this(false);
+ }
+
+ public JsonMapper(boolean prettyPrint) {
+ mapper.setVisibility(PropertyAccessor.ALL, Visibility.NONE);
+ mapper.setVisibility(PropertyAccessor.GETTER, Visibility.PUBLIC_ONLY);
+ mapper.setVisibility(PropertyAccessor.IS_GETTER, Visibility.PUBLIC_ONLY);
+ if (prettyPrint) {
+ mapper.enable(SerializationFeature.INDENT_OUTPUT);
+ }
+ }
+
+ public String serialize(Object value) throws JsonProcessingException {
+ return mapper.writeValueAsString(value);
+ }
+
+ public Object deserialize(String value, Class type) throws JsonParseException, JsonMappingException,
+ IOException {
+
+ ObjectMapper mapper = new ObjectMapper();
+ if (type != null) {
+ return mapper.readValue(value, type);
+ } else {
+ return mapper.readValue(value, Object.class);
+ }
+
+ }
+
+ }
+
}