Java tutorial
/** * Copyright (C) 2016 Red Hat, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package io.syndesis.credential; import java.io.IOException; import java.util.HashMap; import java.util.Map; import com.fasterxml.jackson.core.JsonParser; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.databind.DeserializationContext; import com.fasterxml.jackson.databind.JsonDeserializer; import com.fasterxml.jackson.databind.module.SimpleModule; import org.springframework.social.oauth1.OAuthToken; public final class CredentialModule extends SimpleModule { private static final long serialVersionUID = 1L; @SuppressWarnings("PMD.AssignmentInOperand") private static final class OAuthTokenDeserializer extends JsonDeserializer<OAuthToken> { @Override public OAuthToken deserialize(final JsonParser p, final DeserializationContext ctxt) throws IOException, JsonProcessingException { final Map<String, String> values = new HashMap<>(); String fieldName; while ((fieldName = p.nextFieldName()) != null) { final String nextValue = p.nextTextValue(); values.put(fieldName, nextValue); } return new OAuthToken(values.get("value"), values.get("secret")); } } public CredentialModule() { addDeserializer(OAuthToken.class, new OAuthTokenDeserializer()); } }