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Add NPE test for ExprEvalSqlParameterSourceFactory

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Related to https://github.com/spring-projects/spring-integration/issues/3113

Also clean up code style in the `ExpressionEvaluatingSqlParameterSourceFactory`
This commit is contained in:
Artem Bilan
2019-11-21 12:11:30 -05:00
parent 9fb2e570c9
commit 2da7ae016d
2 changed files with 78 additions and 61 deletions
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20
spring-integration-jdbc/src/main/java/org/springframework/integration/jdbc/ExpressionEvaluatingSqlParameterSourceFactory.java
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@@ -22,11 +22,10 @@ import java.util.Map;
import org.springframework.expression.Expression;
import org.springframework.expression.ExpressionException;
import org.springframework.expression.ExpressionParser;
import org.springframework.expression.spel.standard.SpelExpressionParser;
import org.springframework.integration.util.AbstractExpressionEvaluator;
import org.springframework.jdbc.core.namedparam.AbstractSqlParameterSource;
import org.springframework.jdbc.core.namedparam.SqlParameterSource;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
/**
@@ -45,8 +44,6 @@ import org.springframework.util.Assert;
public class ExpressionEvaluatingSqlParameterSourceFactory extends AbstractExpressionEvaluator
implements SqlParameterSourceFactory {
private static final ExpressionParser PARSER = new SpelExpressionParser();
private static final Object ERROR = new Object();
private final Map<String, Object> staticParameters = new HashMap<>();
@@ -117,8 +114,8 @@ public class ExpressionEvaluatingSqlParameterSourceFactory extends AbstractExpre
String key = entry.getKey();
String expression = entry.getValue();
Expression[] expressions = new Expression[] {
PARSER.parseExpression(expression),
PARSER.parseExpression("#root.![" + expression + "]")
EXPRESSION_PARSER.parseExpression(expression),
EXPRESSION_PARSER.parseExpression("#root.![" + expression + "]")
};
paramExpressions.put(key, expressions);
}
@@ -172,6 +169,7 @@ public class ExpressionEvaluatingSqlParameterSourceFactory extends AbstractExpre
ExpressionEvaluatingSqlParameterSource(Object input, Map<String, ?> staticParameters,
Map<String, Expression[]> parameterExpressions, boolean cache) {
this.input = input;
this.parameterExpressions = parameterExpressions;
this.values.putAll(staticParameters);
@@ -182,10 +180,12 @@ public class ExpressionEvaluatingSqlParameterSourceFactory extends AbstractExpre
}
@Override
@Nullable
public Object getValue(String paramName) throws IllegalArgumentException {
return this.doGetValue(paramName, false);
return doGetValue(paramName, false);
}
@Nullable
public Object doGetValue(String paramName, boolean calledFromHasValue) throws IllegalArgumentException {
if (this.values.containsKey(paramName)) {
Object cachedByHasValue = this.values.get(paramName);
@@ -197,14 +197,14 @@ public class ExpressionEvaluatingSqlParameterSourceFactory extends AbstractExpre
if (!this.parameterExpressions.containsKey(paramName)) {
Expression[] expressions = new Expression[] {
PARSER.parseExpression(paramName),
PARSER.parseExpression("#root.![" + paramName + "]")
EXPRESSION_PARSER.parseExpression(paramName),
EXPRESSION_PARSER.parseExpression("#root.![" + paramName + "]")
};
ExpressionEvaluatingSqlParameterSourceFactory.this.parameterExpressions.put(paramName, expressions);
this.parameterExpressions.put(paramName, expressions);
}
Expression expression = null;
Expression expression;
if (this.input instanceof Collection<?>) {
expression = this.parameterExpressions.get(paramName)[1];