//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package event

import (
	"encoding/xml"
	"fmt"
)

// IsEventError - checks whether given error is event error or not.
func IsEventError(err error) bool {
	switch err.(type) {
	case ErrInvalidFilterName, *ErrInvalidFilterName:
		return true

Now, let's see how you could use that to return a custom response.

Let's say that you want to return an <a href="https://en.wikipedia.org/wiki/XML" class="external-link" target="_blank">XML</a> response.

You could put your XML content in a string, put that in a `Response`, and return it:

{* ../../docs_src/response_directly/tutorial002_py39.py hl[1,18] *}

## Notes { #notes }

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package lifecycle

import (
	"encoding/xml"
	"fmt"
	"testing"
)

// TestInvalidRules checks if Rule xml with invalid elements returns
// appropriate errors on validation
func TestInvalidRules(t *testing.T) {
	invalidTestCases := []struct {
		inputXML    string
		expectedErr error
	}{

<?xml version="1.0" encoding="UTF-8"?>

<!--
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you 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

<?xml version="1.0" encoding="UTF-8"?>

<!--
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you 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

<?xml version="1.0" encoding="UTF-8"?>

<!--
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you 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

GRADLE_TEMP="$(mktemp -d)"
trap 'rm -rf "${GRADLE_TEMP}"' EXIT

# The Gradle tests need the pom.xml only to read its version number.
# (And the file needs to be two directory levels up from the Gradle build file.)
# TODO(cpovirk): Find a better way to give them that information.
cp pom.xml "${GRADLE_TEMP}"

for version in 5.6.4 7.0.2; do
  # Enter a subshell so that we return to the current directory afterward.
  (

        writer = new DefaultModelWriter();
        assembler = new DefaultInheritanceAssembler();
    }

    private File getPom(String name) {
        return new File("src/test/resources/poms/inheritance/" + name + ".xml");
    }

    private Model getModel(String name) throws IOException {
        return reader.read(getPom(name), null);
    }

    @Test
    void testPluginConfiguration() throws Exception {

import java.util.stream.Collectors;
import java.util.stream.Stream;

import org.apache.maven.api.services.MessageBuilder;
import org.apache.maven.api.services.MessageBuilderFactory;
import org.apache.maven.api.xml.XmlNode;
import org.apache.maven.api.xml.XmlService;
import org.apache.maven.impl.DefaultMessageBuilderFactory;
import org.apache.maven.lifecycle.MojoExecutionConfigurator;
import org.apache.maven.model.Plugin;

        File(projectDir, "gradle.properties").writeText(generateGradleProperties())

        val manifestDir = File(projectDir, "src/main")
        manifestDir.mkdirs()
        File(manifestDir, "AndroidManifest.xml").writeText(generateAndroidManifest())
    }

    private fun generateBuildGradle(version: SdkVersion): String =
        """
            |plugins {