ContentServlet.java
9.51 KB
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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* com.day.cq.wcm.api.Page
* javax.servlet.ServletException
* org.apache.felix.scr.annotations.Reference
* org.apache.felix.scr.annotations.sling.SlingServlet
* org.apache.sling.api.SlingHttpServletRequest
* org.apache.sling.api.SlingHttpServletResponse
* org.apache.sling.api.resource.Resource
* org.apache.sling.api.servlets.SlingAllMethodsServlet
* org.apache.sling.api.wrappers.SlingHttpServletRequestWrapper
* org.apache.sling.commons.json.JSONException
* org.apache.sling.commons.json.JSONObject
* org.apache.sling.commons.json.io.JSONWriter
* org.slf4j.Logger
* org.slf4j.LoggerFactory
*/
package com.adobe.cq.mcm.campaign.servlets;
import com.adobe.cq.mcm.campaign.ContentGenerator;
import com.adobe.cq.mcm.campaign.NewsletterException;
import com.adobe.cq.mcm.campaign.NewsletterManager;
import com.day.cq.wcm.api.Page;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Writer;
import javax.servlet.ServletException;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.sling.SlingServlet;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.SlingHttpServletResponse;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.servlets.SlingAllMethodsServlet;
import org.apache.sling.api.wrappers.SlingHttpServletRequestWrapper;
import org.apache.sling.commons.json.JSONException;
import org.apache.sling.commons.json.JSONObject;
import org.apache.sling.commons.json.io.JSONWriter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@SlingServlet(selectors={"campaign.content"}, resourceTypes={"mcm/campaign/components/newsletter", "mcm/campaign/components/campaign_newsletterpage", "mcm/neolane/components/newsletter"}, extensions={"json"}, methods={"GET", "POST"})
public class ContentServlet
extends SlingAllMethodsServlet {
private static final String PRM_MODIFIED_SINCE = "modifiedSince";
private final Logger log;
@Reference
private ContentGenerator generator;
@Reference
private NewsletterManager newsletterManager;
public ContentServlet() {
this.log = LoggerFactory.getLogger(this.getClass());
}
private void doContent(SlingHttpServletRequest request, SlingHttpServletResponse response) throws IOException, ServletException {
String errorMessage = null;
int statusCode = 500;
boolean isSuccess = false;
String html = null;
String text = null;
String subject = null;
long lastModified = 0;
boolean isApproved = false;
Exception errorCause = null;
try {
Page page = (Page)request.getResource().getParent().adaptTo(Page.class);
SlingHttpServletRequestWrapper wrappedRequest = new SlingHttpServletRequestWrapper(request){
public String getMethod() {
return "GET";
}
};
html = this.generator.createHTML((SlingHttpServletRequest)wrappedRequest, response);
text = this.newsletterManager.getPlainText(page);
subject = this.newsletterManager.getSubject(page);
lastModified = this.newsletterManager.getLastModified(page);
isApproved = this.newsletterManager.isApproved(page);
statusCode = 200;
this.newsletterManager.publish(page);
isSuccess = true;
}
catch (Exception e) {
statusCode = 500;
errorCause = e;
errorMessage = e.getMessage();
}
response.setContentType("application/json; charset=utf-8");
response.setHeader("Cache-Control", "no-cache");
response.setStatus(statusCode);
JSONWriter writer = new JSONWriter((Writer)response.getWriter());
try {
writer.object();
if (isSuccess) {
writer.key("html").value((Object)html);
writer.key("text").value((Object)(text != null ? text : ""));
writer.key("subject").value((Object)subject);
writer.key("lastModified").value(lastModified);
writer.key("approved").value(isApproved);
} else {
if (errorCause != null) {
this.log.warn("Error creating newsletter content and status", (Throwable)errorCause);
} else {
this.log.warn("Error creating newsletter content and status");
}
writer.key("message").value((Object)errorMessage);
}
writer.endObject();
}
catch (JSONException je) {
this.log.info("Error creating JSON.", (Throwable)je);
}
}
private void doUpdateCheck(SlingHttpServletRequest request, SlingHttpServletResponse response) throws IOException, ServletException {
String errorMessage = null;
int statusCode = 400;
boolean isSuccess = false;
Exception errorCause = null;
Long modifiedSince = null;
try {
modifiedSince = Long.parseLong(request.getParameter("modifiedSince"));
}
catch (NumberFormatException nfe) {
errorMessage = "Invalid value of modifiedSince parameter; must be number.";
}
boolean isModified = false;
if (modifiedSince != null) {
try {
Page page = (Page)request.getResource().getParent().adaptTo(Page.class);
isModified = this.newsletterManager.isModifiedSince(page, modifiedSince);
statusCode = isModified ? 200 : 304;
isSuccess = true;
}
catch (Exception e) {
statusCode = 500;
errorMessage = "Could not determine modified state of newsletter.";
errorCause = e;
}
}
if (isModified) {
this.doContent(request, response);
} else {
response.setContentType("application/json; charset=utf-8");
response.setHeader("Cache-Control", "no-cache");
response.setStatus(statusCode);
if (!isSuccess) {
try {
JSONWriter writer = new JSONWriter((Writer)response.getWriter());
if (errorCause != null) {
this.log.warn("Error checking modified status of newsletter", (Throwable)errorCause);
} else {
this.log.warn("Error checking modified status of newsletter");
}
writer.key("message").value((Object)errorMessage);
}
catch (JSONException je) {
this.log.info("Error creating JSON.", (Throwable)je);
}
}
}
}
private void generateResponse(SlingHttpServletRequest request, SlingHttpServletResponse response) throws IOException, ServletException {
if (request.getParameter("modifiedSince") != null) {
this.doUpdateCheck(request, response);
} else {
this.doContent(request, response);
}
}
protected void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response) throws IOException, ServletException {
String delivery = request.getParameter("delivery");
if (delivery != null && !delivery.isEmpty()) {
String msg = "The content GET request did specify a delivery, should use POST";
this.log.warn(msg);
response.setContentType("application/json; charset=utf-8");
response.setStatus(400);
response.getWriter().write("{\"message\":" + JSONObject.quote((String)msg) + "}");
return;
}
this.generateResponse(request, response);
}
protected void doPost(SlingHttpServletRequest request, SlingHttpServletResponse response) throws ServletException, IOException {
response.setContentType("application/json; charset=utf-8");
String delivery = request.getParameter("delivery");
if (delivery == null || delivery.isEmpty()) {
String msg = "No delivery specified";
this.log.warn(msg);
response.setContentType("application/json; charset=utf-8");
response.setStatus(400);
response.getWriter().write("{\"message\":" + JSONObject.quote((String)msg) + "}");
return;
}
Page newsletter = (Page)request.getResource().getParent().adaptTo(Page.class);
try {
if (!this.newsletterManager.isLinked(newsletter, delivery)) {
this.newsletterManager.link(newsletter, delivery);
}
}
catch (NewsletterException e) {
this.log.warn(e.getMessage());
response.setStatus(400);
response.getWriter().write("{\"message\":" + JSONObject.quote((String)e.getMessage()) + "}");
return;
}
this.generateResponse(request, response);
}
protected void bindGenerator(ContentGenerator contentGenerator) {
this.generator = contentGenerator;
}
protected void unbindGenerator(ContentGenerator contentGenerator) {
if (this.generator == contentGenerator) {
this.generator = null;
}
}
protected void bindNewsletterManager(NewsletterManager newsletterManager) {
this.newsletterManager = newsletterManager;
}
protected void unbindNewsletterManager(NewsletterManager newsletterManager) {
if (this.newsletterManager == newsletterManager) {
this.newsletterManager = null;
}
}
}