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74a0defef3
We will not want to run this under normal circumstances, but in cases (such as PDT testing in sandbox) where it's desirable to generate an escrow deposit even if it isn't technically valid XML, this gives us that option. Manual-mode RDE generation is also changed so that, if no watermark date is specified, it defaults to the previous midnight, to better support running of RDE in sandbox to catch data problems. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=156108295
95 lines
3.5 KiB
Java
95 lines
3.5 KiB
Java
// Copyright 2017 The Nomulus Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.xml;
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import static com.google.common.base.Throwables.throwIfInstanceOf;
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import static com.google.common.base.Verify.verify;
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import static google.registry.xml.ValidationMode.LENIENT;
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import static google.registry.xml.ValidationMode.STRICT;
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import static java.nio.charset.StandardCharsets.UTF_8;
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import com.google.re2j.Pattern;
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import java.io.ByteArrayOutputStream;
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import javax.annotation.concurrent.NotThreadSafe;
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import javax.xml.bind.JAXBContext;
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import javax.xml.bind.JAXBElement;
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import javax.xml.bind.JAXBException;
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import javax.xml.bind.MarshalException;
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import javax.xml.bind.Marshaller;
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import javax.xml.validation.Schema;
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/** JAXB marshaller for building pieces of XML documents in a single thread. */
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@NotThreadSafe
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public final class XmlFragmentMarshaller {
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private static final Pattern XMLNS_PATTERN = Pattern.compile(" xmlns:\\w+=\"[^\"]+\"");
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private final ByteArrayOutputStream os = new ByteArrayOutputStream();
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private final Marshaller marshaller;
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private final Schema schema;
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XmlFragmentMarshaller(JAXBContext jaxbContext, Schema schema) {
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try {
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marshaller = jaxbContext.createMarshaller();
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marshaller.setProperty(Marshaller.JAXB_ENCODING, UTF_8.toString());
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marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
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marshaller.setProperty(Marshaller.JAXB_FRAGMENT, true);
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} catch (JAXBException e) {
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throw new RuntimeException(e);
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}
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this.schema = schema;
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}
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/**
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* Turns an individual JAXB element into an XML fragment string.
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*
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* @throws MarshalException if schema validation failed
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*/
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public String marshal(JAXBElement<?> element) throws MarshalException {
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return marshal(element, STRICT);
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}
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/** Turns an individual JAXB element into an XML fragment string. */
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public String marshalLenient(JAXBElement<?> element) {
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try {
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return marshal(element, LENIENT);
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} catch (MarshalException e) {
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throw new RuntimeException("MarshalException shouldn't be thrown in lenient mode", e);
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}
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}
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/**
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* Turns an individual JAXB element into an XML fragment string using the given validation mode.
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*
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* @throws MarshalException if schema validation failed
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*/
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public String marshal(JAXBElement<?> element, ValidationMode validationMode)
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throws MarshalException {
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os.reset();
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marshaller.setSchema((validationMode == STRICT) ? schema : null);
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try {
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marshaller.marshal(element, os);
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} catch (JAXBException e) {
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throwIfInstanceOf(e, MarshalException.class);
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throw new RuntimeException("Mysterious XML exception", e);
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}
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String fragment = new String(os.toByteArray(), UTF_8);
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int endOfFirstLine = fragment.indexOf(">\n");
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verify(endOfFirstLine > 0, "Bad XML fragment:\n%s", fragment);
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String firstLine = fragment.substring(0, endOfFirstLine + 2);
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String rest = fragment.substring(firstLine.length());
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return XMLNS_PATTERN.matcher(firstLine).replaceAll("") + rest;
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}
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}
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