aboutsummaryrefslogtreecommitdiffstats
path: root/server/src/com/vaadin/server/WrappedPortletResponse.java
blob: 4e23f4e63fb1d64129799568aaa5315833d399fa (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
/*
 * Copyright 2011 Vaadin Ltd.
 * 
 * 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 com.vaadin.server;

import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;

import javax.portlet.MimeResponse;
import javax.portlet.PortletResponse;
import javax.portlet.ResourceResponse;


/**
 * Wrapper for {@link PortletResponse} and its subclasses.
 * 
 * @author Vaadin Ltd.
 * @since 7.0
 * 
 * @see WrappedResponse
 * @see WrappedPortletRequest
 */
public class WrappedPortletResponse implements WrappedResponse {
    private static final DateFormat HTTP_DATE_FORMAT = new SimpleDateFormat(
            "EEE, dd MMM yyyy HH:mm:ss zzz", Locale.ENGLISH);
    static {
        HTTP_DATE_FORMAT.setTimeZone(TimeZone.getTimeZone("GMT"));
    }

    private final PortletResponse response;
    private DeploymentConfiguration deploymentConfiguration;

    /**
     * Wraps a portlet response and an associated deployment configuration
     * 
     * @param response
     *            the portlet response to wrap
     * @param deploymentConfiguration
     *            the associated deployment configuration
     */
    public WrappedPortletResponse(PortletResponse response,
            DeploymentConfiguration deploymentConfiguration) {
        this.response = response;
        this.deploymentConfiguration = deploymentConfiguration;
    }

    @Override
    public OutputStream getOutputStream() throws IOException {
        return ((MimeResponse) response).getPortletOutputStream();
    }

    /**
     * Gets the original, unwrapped portlet response.
     * 
     * @return the unwrapped portlet response
     */
    public PortletResponse getPortletResponse() {
        return response;
    }

    @Override
    public void setContentType(String type) {
        ((MimeResponse) response).setContentType(type);
    }

    @Override
    public PrintWriter getWriter() throws IOException {
        return ((MimeResponse) response).getWriter();
    }

    @Override
    public void setStatus(int responseStatus) {
        response.setProperty(ResourceResponse.HTTP_STATUS_CODE,
                Integer.toString(responseStatus));
    }

    @Override
    public void setHeader(String name, String value) {
        response.setProperty(name, value);
    }

    @Override
    public void setDateHeader(String name, long timestamp) {
        response.setProperty(name, HTTP_DATE_FORMAT.format(new Date(timestamp)));
    }

    @Override
    public void setCacheTime(long milliseconds) {
        WrappedHttpServletResponse.doSetCacheTime(this, milliseconds);
    }

    @Override
    public void sendError(int errorCode, String message) throws IOException {
        setStatus(errorCode);
        getWriter().write(message);
    }

    @Override
    public DeploymentConfiguration getDeploymentConfiguration() {
        return deploymentConfiguration;
    }
}