com.opengamma.web.position.WebPositionVersionResource.java Source code

Introduction

Here is the source code for com.opengamma.web.position.WebPositionVersionResource.java

Source

/**
 * Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
 *
 * Please see distribution for license.
 */
package com.opengamma.web.position;

import java.net.URI;

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.EntityTag;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Request;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.ResponseBuilder;

import org.apache.commons.lang.StringUtils;
import org.joda.beans.impl.flexi.FlexiBean;

import com.opengamma.id.UniqueId;
import com.opengamma.master.position.PositionDocument;

/**
 * RESTful resource for a version of a position.
 */
@Path("/positions/{positionId}/versions/{versionId}")
@Produces(MediaType.TEXT_HTML)
public class WebPositionVersionResource extends AbstractWebPositionResource {

    /**
     * Creates the resource.
     * @param parent  the parent resource, not null
     */
    public WebPositionVersionResource(final AbstractWebPositionResource parent) {
        super(parent);
    }

    //-------------------------------------------------------------------------
    @GET
    public String getHTML() {
        FlexiBean out = createRootData();
        return getFreemarker().build(HTML_DIR + "positionversion.ftl", out);
    }

    @GET
    @Produces(MediaType.APPLICATION_JSON)
    public Response getJSON(@Context Request request) {
        EntityTag etag = new EntityTag(data().getVersioned().getUniqueId().toString());
        ResponseBuilder builder = request.evaluatePreconditions(etag);
        if (builder != null) {
            return builder.build();
        }
        data().getVersioned().getPosition().getSecurityLink().resolveQuiet(data().getSecuritySource());
        FlexiBean out = createRootData();
        String json = getFreemarker().build(JSON_DIR + "position.ftl", out);
        return Response.ok(json).tag(etag).build();
    }

    //-------------------------------------------------------------------------
    /**
     * Creates the output root data.
     * @return the output root data, not null
     */
    protected FlexiBean createRootData() {
        FlexiBean out = super.createRootData();
        PositionDocument latestPositionDoc = data().getPosition();
        PositionDocument versionedPosition = (PositionDocument) data().getVersioned();
        out.put("latestPositionDoc", latestPositionDoc);
        out.put("latestPosition", latestPositionDoc.getPosition());
        out.put("positionDoc", versionedPosition);
        out.put("position", versionedPosition.getPosition());
        out.put("security", versionedPosition.getPosition().getSecurity());
        out.put("deleted", !latestPositionDoc.isLatest());

        TradeAttributesModel tradeAttributesModel = getTradeAttributesModel();
        out.put("tradeAttrModel", tradeAttributesModel);
        return out;
    }

    private TradeAttributesModel getTradeAttributesModel() {
        PositionDocument doc = data().getVersioned();
        TradeAttributesModel getTradeAttributesModel = new TradeAttributesModel(doc.getPosition());
        return getTradeAttributesModel;
    }

    //-------------------------------------------------------------------------
    /**
     * Builds a URI for this resource.
     * @param data  the data, not null
     * @return the URI, not null
     */
    public static URI uri(final WebPositionsData data) {
        return uri(data, null);
    }

    /**
     * Builds a URI for this resource.
     * @param data  the data, not null
     * @param overrideVersionId  the override version id, null uses information from data
     * @return the URI, not null
     */
    public static URI uri(final WebPositionsData data, final UniqueId overrideVersionId) {
        String positionId = data.getBestPositionUriId(null);
        String versionId = StringUtils
                .defaultString(overrideVersionId != null ? overrideVersionId.getVersion() : data.getUriVersionId());
        return data.getUriInfo().getBaseUriBuilder().path(WebPositionVersionResource.class).build(positionId,
                versionId);
    }

}