ThingsboardMessageConfiguration.java
6.89 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
/**
* Copyright © 2016-2019 The Thingsboard Authors
*
* 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 org.thingsboard.server.config;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.collections.ExtendedProperties;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.velocity.app.VelocityEngine;
import org.apache.velocity.exception.ResourceNotFoundException;
import org.apache.velocity.runtime.RuntimeConstants;
import org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader;
import org.springframework.context.MessageSource;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.context.support.ResourceBundleMessageSource;
import org.springframework.core.io.DefaultResourceLoader;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
import org.springframework.util.StringUtils;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
@Configuration
public class ThingsboardMessageConfiguration {
@Bean
@Primary
public MessageSource messageSource() {
ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();
messageSource.setBasename("i18n/messages");
messageSource.setDefaultEncoding("UTF-8");
return messageSource;
}
private static final String DEFAULT_RESOURCE_LOADER_PATH = "classpath:/templates/";
private ResourceLoader resourceLoader = new DefaultResourceLoader();
@Bean
public VelocityEngine velocityEngine() {
VelocityEngine velocityEngine = new VelocityEngine();
try {
Resource resource = resourceLoader.getResource(DEFAULT_RESOURCE_LOADER_PATH);
File file = resource.getFile();
velocityEngine.setProperty(RuntimeConstants.RESOURCE_LOADER, "file");
velocityEngine.setProperty(RuntimeConstants.FILE_RESOURCE_LOADER_CACHE, "true");
velocityEngine.setProperty(RuntimeConstants.FILE_RESOURCE_LOADER_PATH, file.getAbsolutePath());
} catch (IOException e) {
initSpringResourceLoader(velocityEngine, DEFAULT_RESOURCE_LOADER_PATH);
}
velocityEngine.init();
return velocityEngine;
}
private void initSpringResourceLoader(VelocityEngine velocityEngine, String resourceLoaderPath) {
velocityEngine.setProperty(
RuntimeConstants.RESOURCE_LOADER, SpringResourceLoader.NAME);
velocityEngine.setProperty(
SpringResourceLoader.SPRING_RESOURCE_LOADER_CLASS, SpringResourceLoader.class.getName());
velocityEngine.setProperty(
SpringResourceLoader.SPRING_RESOURCE_LOADER_CACHE, "true");
velocityEngine.setApplicationAttribute(
SpringResourceLoader.SPRING_RESOURCE_LOADER, resourceLoader);
velocityEngine.setApplicationAttribute(
SpringResourceLoader.SPRING_RESOURCE_LOADER_PATH, resourceLoaderPath);
}
@Slf4j
public static class SpringResourceLoader extends org.apache.velocity.runtime.resource.loader.ResourceLoader {
public static final String NAME = "spring";
public static final String SPRING_RESOURCE_LOADER_CLASS = "spring.resource.loader.class";
public static final String SPRING_RESOURCE_LOADER_CACHE = "spring.resource.loader.cache";
public static final String SPRING_RESOURCE_LOADER = "spring.resource.loader";
public static final String SPRING_RESOURCE_LOADER_PATH = "spring.resource.loader.path";
private org.springframework.core.io.ResourceLoader resourceLoader;
private String[] resourceLoaderPaths;
@Override
public void init(ExtendedProperties configuration) {
this.resourceLoader = (org.springframework.core.io.ResourceLoader)
this.rsvc.getApplicationAttribute(SPRING_RESOURCE_LOADER);
String resourceLoaderPath = (String) this.rsvc.getApplicationAttribute(SPRING_RESOURCE_LOADER_PATH);
if (this.resourceLoader == null) {
throw new IllegalArgumentException(
"'resourceLoader' application attribute must be present for SpringResourceLoader");
}
if (resourceLoaderPath == null) {
throw new IllegalArgumentException(
"'resourceLoaderPath' application attribute must be present for SpringResourceLoader");
}
this.resourceLoaderPaths = StringUtils.commaDelimitedListToStringArray(resourceLoaderPath);
for (int i = 0; i < this.resourceLoaderPaths.length; i++) {
String path = this.resourceLoaderPaths[i];
if (!path.endsWith("/")) {
this.resourceLoaderPaths[i] = path + "/";
}
}
if (log.isInfoEnabled()) {
log.info("SpringResourceLoader for Velocity: using resource loader [" + this.resourceLoader +
"] and resource loader paths " + Arrays.asList(this.resourceLoaderPaths));
}
}
@Override
public InputStream getResourceStream(String source) throws ResourceNotFoundException {
if (log.isDebugEnabled()) {
log.debug("Looking for Velocity resource with name [" + source + "]");
}
for (String resourceLoaderPath : this.resourceLoaderPaths) {
org.springframework.core.io.Resource resource =
this.resourceLoader.getResource(resourceLoaderPath + source);
try {
return resource.getInputStream();
}
catch (IOException ex) {
if (log.isDebugEnabled()) {
log.debug("Could not find Velocity resource: " + resource);
}
}
}
throw new ResourceNotFoundException(
"Could not find resource [" + source + "] in Spring resource loader path");
}
@Override
public boolean isSourceModified(org.apache.velocity.runtime.resource.Resource resource) {
return false;
}
@Override
public long getLastModified(org.apache.velocity.runtime.resource.Resource resource) {
return 0;
}
}
}