org.safehaus.chop.api.ProjectDeserializer Maven / Gradle / Ivy

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Common API for Chop entities shared across environments and across various modules of the project.
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package org.safehaus.chop.api;


import java.io.IOException;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;


/**
 * A Jackson JSON Deserializer for Project.
 */
public class ProjectDeserializer extends JsonDeserializer {
    private static final Logger LOG = LoggerFactory.getLogger( ProjectDeserializer.class );


    @Override
    public Project deserialize( final JsonParser jp, final DeserializationContext ctxt ) throws IOException {
        ProjectBuilder builder = new ProjectBuilder();

        String tmp = jp.getText();
        validate( jp, tmp, "{" );
        LOG.debug( "First token is {}", tmp );

        jp.nextToken();
        tmp = jp.getText();
        LOG.debug( "Second token is {}", tmp );

        while( jp.hasCurrentToken() ) {

            tmp = jp.getText();
            LOG.debug( "Current token text = {}", tmp );

            if ( tmp.equals( "testPackageBase" ) ) {
                jp.nextToken();
                builder.setTestPackageBase( jp.getText() );
            }
            else if ( tmp.equals( "chopVersion" ) ) {
                jp.nextToken();
                builder.setChopVersion( jp.getText() );
            }
            else if ( tmp.equals( "createTimestamp" ) ) {
                jp.nextToken();
                builder.setCreateTimestamp( jp.getText() );
            }
            else if ( tmp.equals( "vcsVersion" ) ) {
                jp.nextToken();
                builder.setVcsVersion( jp.getText() );
            }
            else if ( tmp.equals( "vcsRepoUrl" ) ) {
                jp.nextToken();
                builder.setVcsRepoUrl( jp.getText() );
            }
            else if ( tmp.equals( "groupId" ) ) {
                jp.nextToken();
                builder.setGroupId( jp.getText() );
            }
            else if ( tmp.equals( "artifactId" ) ) {
                jp.nextToken();
                builder.setArtifactId( jp.getText() );
            }
            else if ( tmp.equals( "projectVersion" ) ) {
                jp.nextToken();
                builder.setProjectVersion( jp.getText() );
            }
            else if ( tmp.equals( "warMd5" ) ) {
                jp.nextToken();
                builder.setWarMd5( jp.getText() );
            }
            else if ( tmp.equals( "loadKey" ) ) {
                jp.nextToken();
                builder.setLoadKey( jp.getText() );
            }
            else if ( tmp.equals( "loadTime" ) ) {
                jp.nextToken();
                builder.setLoadTime( jp.getText() );
            }

            jp.nextToken();

            if ( jp.getText().equals( "}" ) ) {
                break;
            }
        }

        return builder.getProject();
    }


    private void validate( JsonParser jsonParser, String input, String expected ) throws JsonProcessingException {
        if ( ! input.equals( expected ) ) {
            throw new JsonParseException( "Unexpected token: " + input, jsonParser.getTokenLocation() );
        }
    }
}