#12: scheduled trigger builds fails to start.

.gitignore

@@ -7,7 +7,7 @@
 
 classes/
 .gradle/
-build/
+/build/
 out/
 target/
 *.iml

build.gradle

@@ -13,7 +13,7 @@ apply plugin: 'java'
 apply plugin: 'com.github.rodm.teamcity-server'
 
 group = 'ru.mail.teamcity'
-version = '1.6.1'
+version = '1.6.2'
 
 repositories {
     mavenCentral()

src/main/java/ru/mail/teamcity/web/parameters/build/DynamicWebBuildStartContextProcessor.java

@@ -0,0 +1,68 @@
+package ru.mail.teamcity.web.parameters.build;
+
+import com.google.common.base.Joiner;
+import jetbrains.buildServer.serverSide.*;
+import org.jetbrains.annotations.NotNull;
+import ru.mail.teamcity.web.parameters.Constants;
+import ru.mail.teamcity.web.parameters.data.Option;
+import ru.mail.teamcity.web.parameters.data.Options;
+import ru.mail.teamcity.web.parameters.manager.RequestConfiguration;
+import ru.mail.teamcity.web.parameters.manager.WebOptionsManager;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * User: g.chernyshev
+ * Date: 05/03/16
+ * Time: 14:32
+ */
+public class DynamicWebBuildStartContextProcessor implements BuildStartContextProcessor {
+
+    @NotNull
+    private final WebOptionsManager webOptionsManager;
+
+    public DynamicWebBuildStartContextProcessor(@NotNull WebOptionsManager webOptionsManager) {
+        this.webOptionsManager = webOptionsManager;
+    }
+
+    @Override
+    public void updateParameters(@NotNull BuildStartContext context) {
+        SBuildType buildType = context.getBuild().getBuildType();
+        if (null == buildType) {
+            return;
+        }
+
+        Collection<Parameter> buildParameters = buildType.getParametersCollection();
+        for (Parameter parameter : buildParameters) {
+            ControlDescription description = parameter.getControlDescription();
+            // check if parameter is of web param provider type
+            if (null != description && description.getParameterType().equals(Constants.PARAMETER_TYPE)) {
+                String buildValue = context.getBuild().getBuildOwnParameters().get(parameter.getName());
+                // check if value from build is not provided and we don't have any default value
+                if (buildValue.isEmpty() && parameter.getValue().isEmpty()) {
+                    Map<String, String> config = description.getParameterTypeArguments();
+                    Map<String, String> errors = new HashMap<>();
+
+                    RequestConfiguration configuration = new RequestConfiguration(config, buildType.getValueResolver());
+                    configuration.process();
+
+                    Options options = webOptionsManager.read(configuration, errors);
+                    if (!errors.isEmpty()) {
+                        throw new RuntimeException("Something went wrong during web parameters initialization:\n" +
+                                Joiner.on("\n").join(errors.values())
+                        );
+                    }
+
+                    for (Option option : options.getOptions()) {
+                        if (option.isEnabled() && option.isDefault()) {
+                            context.addSharedParameter(parameter.getName(), option.getValue());
+                            break;
+                        }
+                    }
+                }
+            }
+        }
+    }
+}