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34 package info.magnolia.module.delta;
35
36 import info.magnolia.cms.core.Content;
37 import info.magnolia.cms.core.ItemType;
38 import info.magnolia.cms.core.Path;
39 import info.magnolia.cms.util.NodeDataUtil;
40 import info.magnolia.module.InstallContext;
41 import info.magnolia.module.model.ServletDefinition;
42 import info.magnolia.module.model.ServletParameterDefinition;
43
44 import javax.jcr.RepositoryException;
45
46 import org.apache.commons.lang.StringUtils;
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56 public class RegisterServletTask extends AbstractTask {
57 private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(RegisterServletTask.class);
58
59 private static final String DEFAULT_SERVLET_FILTER_PATH = "/server/filters/servlets";
60 private final ServletDefinition servletDefinition;
61
62 public RegisterServletTask(ServletDefinition servletDefinition) {
63 super("Servlet " + servletDefinition.getName(), "Registers servlet" + servletDefinition.getName() + " (" + servletDefinition.getComment() + ")");
64 this.servletDefinition = servletDefinition;
65 }
66
67 public void execute(InstallContext installContext) throws TaskExecutionException {
68 log.debug("Registering servlet " + servletDefinition.getName() + " in servlet filter.");
69
70 final String servletFilterPath = DEFAULT_SERVLET_FILTER_PATH;
71
72 try {
73 final Content servletNode = installContext.getConfigHierarchyManager().createContent(servletFilterPath, servletDefinition.getName(),
74 ItemType.CONTENTNODE.getSystemName());
75 NodeDataUtil.getOrCreateAndSet(servletNode, "class", "info.magnolia.cms.filters.ServletDispatchingFilter");
76 NodeDataUtil.getOrCreateAndSet(servletNode, "enabled", true);
77 NodeDataUtil.getOrCreateAndSet(servletNode, "servletClass", servletDefinition.getClassName());
78 NodeDataUtil.getOrCreateAndSet(servletNode, "servletName", servletDefinition.getName());
79 NodeDataUtil.getOrCreateAndSet(servletNode, "comment", servletDefinition.getComment());
80
81 final Content mappingsNode = servletNode.createContent("mappings", ItemType.CONTENTNODE);
82 for (String pattern : servletDefinition.getMappings()) {
83 if (StringUtils.isBlank(pattern)) {
84 installContext.warn("Empty mappings configuration is not supported and sevlet was not installed.");
85 continue;
86 }
87 String mappingNodeName = Path.getUniqueLabel(mappingsNode, Path.getValidatedLabel(pattern));
88 final Content mappingNode = mappingsNode.createContent(mappingNodeName, ItemType.CONTENTNODE);
89 NodeDataUtil.getOrCreateAndSet(mappingNode, "pattern", pattern);
90 }
91
92 final Content parametersNode = servletNode.createContent("parameters", ItemType.CONTENTNODE);
93 for (ServletParameterDefinition parameter : servletDefinition.getParams()) {
94 NodeDataUtil.getOrCreateAndSet(parametersNode, parameter.getName(), parameter.getValue());
95 }
96 } catch (RepositoryException e) {
97 log.error("Cannot create servlet node in servlet filter.", e);
98 }
99 }
100
101 public ServletDefinition getServletDefinition() {
102 return this.servletDefinition;
103 }
104
105 }