Use lowercase property names in SpEL examples
Closes gh-25538
This commit is contained in:
Yanming Zhou
committed by
Sam Brannen
Sam Brannen
parent
4503260282
commit
9c11887fe8
@@ -835,12 +835,12 @@ shows:
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// Members List
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// evaluates to "Nikola Tesla"
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String name = parser.parseExpression("Members[0].Name").getValue(
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String name = parser.parseExpression("members[0].name").getValue(
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context, ieee, String.class);
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// List and Array navigation
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// evaluates to "Wireless communication"
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String invention = parser.parseExpression("Members[0].Inventions[6]").getValue(
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String invention = parser.parseExpression("members[0].inventions[6]").getValue(
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context, ieee, String.class);
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----
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[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
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@@ -858,17 +858,17 @@ shows:
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// Members List
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// evaluates to "Nikola Tesla"
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val name = parser.parseExpression("Members[0].Name").getValue(
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val name = parser.parseExpression("members[0].name").getValue(
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context, ieee, String::class.java)
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// List and Array navigation
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// evaluates to "Wireless communication"
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val invention = parser.parseExpression("Members[0].Inventions[6]").getValue(
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val invention = parser.parseExpression("members[0].inventions[6]").getValue(
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context, ieee, String::class.java)
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----
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The contents of maps are obtained by specifying the literal key value within the
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brackets. In the following example, because keys for the `Officers` map are strings, we can specify
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brackets. In the following example, because keys for the `officers` map are strings, we can specify
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string literals:
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[source,java,indent=0,subs="verbatim,quotes",role="primary"]
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@@ -876,15 +876,15 @@ string literals:
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----
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// Officer's Dictionary
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Inventor pupin = parser.parseExpression("Officers['president']").getValue(
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Inventor pupin = parser.parseExpression("officers['president']").getValue(
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societyContext, Inventor.class);
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// evaluates to "Idvor"
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String city = parser.parseExpression("Officers['president'].PlaceOfBirth.City").getValue(
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String city = parser.parseExpression("officers['president'].placeOfBirth.city").getValue(
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societyContext, String.class);
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// setting values
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parser.parseExpression("Officers['advisors'][0].PlaceOfBirth.Country").setValue(
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parser.parseExpression("officers['advisors'][0].placeOfBirth.country").setValue(
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societyContext, "Croatia");
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----
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[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
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@@ -892,15 +892,15 @@ string literals:
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----
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// Officer's Dictionary
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val pupin = parser.parseExpression("Officers['president']").getValue(
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val pupin = parser.parseExpression("officers['president']").getValue(
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societyContext, Inventor::class.java)
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// evaluates to "Idvor"
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val city = parser.parseExpression("Officers['president'].PlaceOfBirth.City").getValue(
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val city = parser.parseExpression("officers['president'].placeOfBirth.city").getValue(
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societyContext, String::class.java)
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// setting values
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parser.parseExpression("Officers['advisors'][0].PlaceOfBirth.Country").setValue(
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parser.parseExpression("officers['advisors'][0].placeOfBirth.country").setValue(
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societyContext, "Croatia")
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----
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@@ -1296,11 +1296,11 @@ following listing shows both ways to use the assignment operator:
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Inventor inventor = new Inventor();
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EvaluationContext context = SimpleEvaluationContext.forReadWriteDataBinding().build();
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parser.parseExpression("Name").setValue(context, inventor, "Aleksandar Seovic");
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parser.parseExpression("name").setValue(context, inventor, "Aleksandar Seovic");
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// alternatively
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String aleks = parser.parseExpression(
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"Name = 'Aleksandar Seovic'").getValue(context, inventor, String.class);
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"name = 'Aleksandar Seovic'").getValue(context, inventor, String.class);
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----
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[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
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.Kotlin
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@@ -1308,11 +1308,11 @@ following listing shows both ways to use the assignment operator:
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val inventor = Inventor()
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val context = SimpleEvaluationContext.forReadWriteDataBinding().build()
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parser.parseExpression("Name").setValue(context, inventor, "Aleksandar Seovic")
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parser.parseExpression("name").setValue(context, inventor, "Aleksandar Seovic")
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// alternatively
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val aleks = parser.parseExpression(
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"Name = 'Aleksandar Seovic'").getValue(context, inventor, String::class.java)
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"name = 'Aleksandar Seovic'").getValue(context, inventor, String::class.java)
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----
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@@ -1413,7 +1413,7 @@ The following example shows how to use variables.
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EvaluationContext context = SimpleEvaluationContext.forReadWriteDataBinding().build();
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context.setVariable("newName", "Mike Tesla");
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parser.parseExpression("Name = #newName").getValue(context, tesla);
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parser.parseExpression("name = #newName").getValue(context, tesla);
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System.out.println(tesla.getName()) // "Mike Tesla"
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----
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[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
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@@ -1424,7 +1424,7 @@ The following example shows how to use variables.
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val context = SimpleEvaluationContext.forReadWriteDataBinding().build()
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context.setVariable("newName", "Mike Tesla")
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parser.parseExpression("Name = #newName").getValue(context, tesla)
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parser.parseExpression("name = #newName").getValue(context, tesla)
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println(tesla.name) // "Mike Tesla"
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----
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@@ -1633,7 +1633,7 @@ realistic example follows:
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[source,java,indent=0,subs="verbatim,quotes",role="primary"]
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.Java
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----
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parser.parseExpression("Name").setValue(societyContext, "IEEE");
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parser.parseExpression("name").setValue(societyContext, "IEEE");
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societyContext.setVariable("queryName", "Nikola Tesla");
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expression = "isMember(#queryName)? #queryName + ' is a member of the ' " +
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@@ -1646,7 +1646,7 @@ realistic example follows:
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[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
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.Kotlin
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----
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parser.parseExpression("Name").setValue(societyContext, "IEEE")
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parser.parseExpression("name").setValue(societyContext, "IEEE")
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societyContext.setVariable("queryName", "Nikola Tesla")
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expression = "isMember(#queryName)? #queryName + ' is a member of the ' " + "+ Name + ' Society' : #queryName + ' is not a member of the ' + Name + ' Society'"
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@@ -1704,11 +1704,11 @@ The following listing shows a more complex example:
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EvaluationContext context = SimpleEvaluationContext.forReadOnlyDataBinding().build();
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Inventor tesla = new Inventor("Nikola Tesla", "Serbian");
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String name = parser.parseExpression("Name?:'Elvis Presley'").getValue(context, tesla, String.class);
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String name = parser.parseExpression("name?:'Elvis Presley'").getValue(context, tesla, String.class);
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System.out.println(name); // Nikola Tesla
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tesla.setName(null);
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name = parser.parseExpression("Name?:'Elvis Presley'").getValue(context, tesla, String.class);
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name = parser.parseExpression("name?:'Elvis Presley'").getValue(context, tesla, String.class);
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System.out.println(name); // Elvis Presley
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----
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[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
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@@ -1718,11 +1718,11 @@ The following listing shows a more complex example:
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val context = SimpleEvaluationContext.forReadOnlyDataBinding().build()
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val tesla = Inventor("Nikola Tesla", "Serbian")
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var name = parser.parseExpression("Name?:'Elvis Presley'").getValue(context, tesla, String::class.java)
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var name = parser.parseExpression("name?:'Elvis Presley'").getValue(context, tesla, String::class.java)
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println(name) // Nikola Tesla
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tesla.setName(null)
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name = parser.parseExpression("Name?:'Elvis Presley'").getValue(context, tesla, String::class.java)
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name = parser.parseExpression("name?:'Elvis Presley'").getValue(context, tesla, String::class.java)
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println(name) // Elvis Presley
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----
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@@ -1759,11 +1759,11 @@ example shows how to use the safe navigation operator:
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Inventor tesla = new Inventor("Nikola Tesla", "Serbian");
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tesla.setPlaceOfBirth(new PlaceOfBirth("Smiljan"));
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String city = parser.parseExpression("PlaceOfBirth?.City").getValue(context, tesla, String.class);
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String city = parser.parseExpression("placeOfBirth?.city").getValue(context, tesla, String.class);
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System.out.println(city); // Smiljan
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tesla.setPlaceOfBirth(null);
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city = parser.parseExpression("PlaceOfBirth?.City").getValue(context, tesla, String.class);
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city = parser.parseExpression("placeOfBirth?.city").getValue(context, tesla, String.class);
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System.out.println(city); // null - does not throw NullPointerException!!!
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----
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[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
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@@ -1775,11 +1775,11 @@ example shows how to use the safe navigation operator:
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val tesla = Inventor("Nikola Tesla", "Serbian")
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tesla.setPlaceOfBirth(PlaceOfBirth("Smiljan"))
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var city = parser.parseExpression("PlaceOfBirth?.City").getValue(context, tesla, String::class.java)
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var city = parser.parseExpression("placeOfBirth?.city").getValue(context, tesla, String::class.java)
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println(city) // Smiljan
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tesla.setPlaceOfBirth(null)
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city = parser.parseExpression("PlaceOfBirth?.City").getValue(context, tesla, String::class.java)
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city = parser.parseExpression("placeOfBirth?.city").getValue(context, tesla, String::class.java)
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println(city) // null - does not throw NullPointerException!!!
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----
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@@ -1799,13 +1799,13 @@ selection lets us easily get a list of Serbian inventors, as the following examp
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.Java
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----
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List<Inventor> list = (List<Inventor>) parser.parseExpression(
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"Members.?[Nationality == 'Serbian']").getValue(societyContext);
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"members.?[nationality == 'Serbian']").getValue(societyContext);
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----
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[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
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.Kotlin
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----
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val list = parser.parseExpression(
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"Members.?[Nationality == 'Serbian']").getValue(societyContext) as List<Inventor>
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"members.?[nationality == 'Serbian']").getValue(societyContext) as List<Inventor>
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----
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Selection is possible upon both lists and maps. For a list, the selection
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@@ -1849,13 +1849,13 @@ every entry in the inventor list. The following example uses projection to do so
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.Java
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----
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// returns ['Smiljan', 'Idvor' ]
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List placesOfBirth = (List)parser.parseExpression("Members.![placeOfBirth.city]");
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List placesOfBirth = (List)parser.parseExpression("members.![placeOfBirth.city]");
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----
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[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
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.Kotlin
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----
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// returns ['Smiljan', 'Idvor' ]
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val placesOfBirth = parser.parseExpression("Members.![placeOfBirth.city]") as List<*>
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val placesOfBirth = parser.parseExpression("members.![placeOfBirth.city]") as List<*>
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----
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You can also use a map to drive projection and, in this case, the projection expression is
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