diff --git a/ccm-core/src/main/java/org/libreccm/webdav/conditions/CannotModifyProtectedProperty.java b/ccm-core/src/main/java/org/libreccm/webdav/conditions/CannotModifyProtectedProperty.java
new file mode 100644
index 000000000..bdc66e4bc
--- /dev/null
+++ b/ccm-core/src/main/java/org/libreccm/webdav/conditions/CannotModifyProtectedProperty.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2018 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+package org.libreccm.webdav.conditions;
+
+import javax.xml.bind.annotation.XmlRootElement;
+import javax.xml.bind.annotation.XmlType;
+
+/**
+ * WebDAV cannot-modify-protected-property Precondition XML Element.
+ *
+ * This is a singleton. All instances are absolutely identical, hence can be
+ * compared using {@code ==} and share one unique hash code. Use
+ * {@link #CANNOT_MODIFY_PROTECTED_PROPERTY} always.
+ *
+ * The class is based on a class/interface from java.net WebDAV Project:
+ *
+ * https://gitlab.com/headcrashing/webdav-jaxrs/blob/master/src/main/java/net/java/dev/webdav/jaxrs/Headers.java
+ *
+ *
+ * @author Markus KARG (mkarg@java.net)
+ * @author Jens Pelzetter
+ *
+ * @see
+ * Chapter
+ * 16 "Precondition/Postcondition XML Elements" of RFC 4918 "HTTP Extensions for
+ * Web Distributed Authoring and Versioning (WebDAV)"
+ *
+ *
+ */
+@XmlRootElement(name = "cannot-modify-protected-property")
+@XmlType(factoryMethod = "createSingleton")
+public final class CannotModifyProtectedProperty {
+
+ /**
+ * Singleton instance, providing improved performance and the ability to
+ * compare by same instance.
+ *
+ * @since 1.2
+ */
+ public static final CannotModifyProtectedProperty CANNOT_MODIFY_PROTECTED_PROPERTY
+ = new CannotModifyProtectedProperty();
+
+ @SuppressWarnings("unused")
+ private static CannotModifyProtectedProperty createSingleton() {
+ return CANNOT_MODIFY_PROTECTED_PROPERTY;
+ }
+
+ private CannotModifyProtectedProperty() {
+ // For unmarshalling only.
+ }
+
+ @Override
+ public final boolean equals(final Object object) {
+ return object instanceof CannotModifyProtectedProperty;
+ }
+
+ @Override
+ public final int hashCode() {
+ return 1;
+ }
+
+ @Override
+ public final String toString() {
+ return getClass().getName();
+ }
+
+}
diff --git a/ccm-core/src/main/java/org/libreccm/webdav/conditions/LockTokenMatchesRequestUri.java b/ccm-core/src/main/java/org/libreccm/webdav/conditions/LockTokenMatchesRequestUri.java
new file mode 100644
index 000000000..a4db3af37
--- /dev/null
+++ b/ccm-core/src/main/java/org/libreccm/webdav/conditions/LockTokenMatchesRequestUri.java
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2018 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+package org.libreccm.webdav.conditions;
+
+import javax.xml.bind.annotation.XmlRootElement;
+import javax.xml.bind.annotation.XmlType;
+
+/**
+ *
+ * WebDAV lock-token-matches-request-uri Precondition XML Element.
+ *
+ * This is a singleton. All instances are absolutely identical, hence can be
+ * compared using {@code ==} and share one unique hash code. Use
+ * {@link #LOCK_TOKEN_MATCHES_REQUEST_URI} always.
+ *
+ *
+ * The class is based on a class/interface from java.net WebDAV Project:
+ *
+ * https://gitlab.com/headcrashing/webdav-jaxrs/blob/master/src/main/java/net/java/dev/webdav/jaxrs/Headers.java
+ *
+ *
+ * @author Markus KARG (mkarg@java.net)
+ * @author Jens Pelzetter
+ *
+ * @see
+ * Chapter
+ * 16 "Precondition/Postcondition XML Elements" of RFC 4918 "HTTP Extensions for
+ * Web Distributed Authoring and Versioning (WebDAV)"
+ *
+ *
+ */
+@XmlRootElement(name = "lock-token-matches-request-uri")
+@XmlType(factoryMethod = "createSingleton")
+public final class LockTokenMatchesRequestUri {
+
+ /**
+ * Singleton instance, providing improved performance and the ability to
+ * compare by same instance.
+ *
+ */
+ public static final LockTokenMatchesRequestUri LOCK_TOKEN_MATCHES_REQUEST_URI
+ = new LockTokenMatchesRequestUri();
+
+ /**
+ * Singleton factory to be used solely by JAXB.
+ */
+ @SuppressWarnings("unused")
+ private static final LockTokenMatchesRequestUri createSingleton() {
+ return LOCK_TOKEN_MATCHES_REQUEST_URI;
+ }
+
+ private LockTokenMatchesRequestUri() {
+ // For unmarshalling only.
+ }
+
+ @Override
+ public final boolean equals(final Object object) {
+ return object instanceof LockTokenMatchesRequestUri;
+ }
+
+ @Override
+ public final int hashCode() {
+ return 1;
+ }
+
+ @Override
+ public final String toString() {
+ return getClass().getName();
+ }
+
+}
diff --git a/ccm-core/src/main/java/org/libreccm/webdav/conditions/LockTokenSubmitted.java b/ccm-core/src/main/java/org/libreccm/webdav/conditions/LockTokenSubmitted.java
new file mode 100644
index 000000000..dd8da6bdb
--- /dev/null
+++ b/ccm-core/src/main/java/org/libreccm/webdav/conditions/LockTokenSubmitted.java
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2018 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+package org.libreccm.webdav.conditions;
+
+import org.libreccm.webdav.xml.elements.HRef;
+
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Objects;
+
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlRootElement;
+
+import static java.util.Collections.*;
+
+/**
+ *
+ * WebDAV lock-token-submitted Precondition XML Element.
+ *
+ * The class is based on a class/interface from java.net WebDAV Project:
+ *
+ * https://gitlab.com/headcrashing/webdav-jaxrs/blob/master/src/main/java/net/java/dev/webdav/jaxrs/Headers.java
+ *
+ *
+ * @author Markus KARG (mkarg@java.net)
+ * @author Jens Pelzetter
+ *
+ *
+ * @see
+ * Chapter
+ * 16 "Precondition/Postcondition XML Elements" of RFC 4918 "HTTP Extensions for
+ * Web Distributed Authoring and Versioning (WebDAV)"
+ *
+ */
+@XmlRootElement(name = "lock-token-submitted")
+public final class LockTokenSubmitted {
+
+ @XmlElement(name = "href")
+ private final List hRefs;
+
+ @SuppressWarnings("unused")
+ private LockTokenSubmitted() {
+ this.hRefs = new LinkedList();
+ }
+
+ public LockTokenSubmitted(final HRef hRef, final HRef... hRefs) {
+ this.hRefs = createList(Objects.requireNonNull(hRef), hRefs);
+ }
+
+ private static List createList(final T first, final T[] other) {
+
+ final List list = new LinkedList<>();
+ list.add(first);
+ Collections.addAll(list, other);
+
+ return list;
+ }
+
+ public final List getHRefs() {
+ return unmodifiableList(hRefs);
+ }
+
+ @Override
+ public int hashCode() {
+ int hash = 7;
+ hash = 29 * hash + Objects.hashCode(hRefs);
+ return hash;
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj == null) {
+ return false;
+ }
+ if (!(obj instanceof LockTokenSubmitted)) {
+ return false;
+ }
+ final LockTokenSubmitted other = (LockTokenSubmitted) obj;
+ return Objects.equals(hRefs, other.getHRefs());
+ }
+
+ @Override
+ public final String toString() {
+ return String.format("%s{ hrefs = %s }",
+ super.toString(),
+ Objects.toString(hRefs));
+ }
+
+}
diff --git a/ccm-core/src/main/java/org/libreccm/webdav/conditions/NoConflictingLock.java b/ccm-core/src/main/java/org/libreccm/webdav/conditions/NoConflictingLock.java
new file mode 100644
index 000000000..6d5c43e3d
--- /dev/null
+++ b/ccm-core/src/main/java/org/libreccm/webdav/conditions/NoConflictingLock.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2018 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+package org.libreccm.webdav.conditions;
+
+import org.libreccm.webdav.xml.elements.HRef;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Objects;
+
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlRootElement;
+
+/**
+ * WebDAV no-conflicting-lock Precondition XML Element.
+ *
+ * The class is based on a class/interface from java.net WebDAV Project:
+ *
+ * https://gitlab.com/headcrashing/webdav-jaxrs/blob/master/src/main/java/net/java/dev/webdav/jaxrs/Headers.java
+ *
+ *
+ * @author Markus KARG (mkarg@java.net)
+ * @author Jens Pelzetter
+ *
+ * @see
+ * Chapter
+ * 16 "Precondition/Postcondition XML Elements" of RFC 4918 "HTTP Extensions for
+ * Web Distributed Authoring and Versioning (WebDAV)"
+ *
+ *
+ */
+@XmlRootElement(name = "no-conflicting-lock")
+public final class NoConflictingLock {
+
+ @XmlElement(name = "href")
+ private final List hRefs;
+
+ public NoConflictingLock() {
+ this.hRefs = new LinkedList();
+ }
+
+ public NoConflictingLock(final HRef... hRefs) {
+ this.hRefs = Arrays.asList(hRefs);
+ }
+
+ public final List getHRefs() {
+ return Collections.unmodifiableList(this.hRefs);
+
+ }
+
+ @Override
+ public int hashCode() {
+ int hash = 7;
+ hash = 79 * hash + Objects.hashCode(this.hRefs);
+ return hash;
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj == null) {
+ return false;
+ }
+ if (!(obj instanceof NoConflictingLock)) {
+ return false;
+ }
+ final NoConflictingLock other = (NoConflictingLock) obj;
+ return Objects.equals(this.hRefs, other.getHRefs());
+ }
+
+ @Override
+ public final String toString() {
+ return String.format("%s{ %s }",
+ super.toString(),
+ Objects.toString(hRefs));
+ }
+
+}
diff --git a/ccm-core/src/main/java/org/libreccm/webdav/conditions/NoExternalEntities.java b/ccm-core/src/main/java/org/libreccm/webdav/conditions/NoExternalEntities.java
new file mode 100644
index 000000000..a6af7256e
--- /dev/null
+++ b/ccm-core/src/main/java/org/libreccm/webdav/conditions/NoExternalEntities.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2018 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+package org.libreccm.webdav.conditions;
+
+import javax.xml.bind.annotation.XmlRootElement;
+import javax.xml.bind.annotation.XmlType;
+
+/**
+ * WebDAV no-external-entities Precondition XML Element.
+ *
+ * This is a singleton. All instances are absolutely identical, hence can be
+ * compared using {@code ==} and share one unique hash code. Use
+ * {@link #NO_EXTERNAL_ENTITIES} always.
+ *
+ * The class is based on a class/interface from java.net WebDAV Project:
+ *
+ * https://gitlab.com/headcrashing/webdav-jaxrs/blob/master/src/main/java/net/java/dev/webdav/jaxrs/Headers.java
+ *
+ *
+ * @author Markus KARG (mkarg@java.net)
+ * @author Jens Pelzetter
+ *
+ * @see
+ * Chapter
+ * 16 "Precondition/Postcondition XML Elements" of RFC 4918 "HTTP Extensions for
+ * Web Distributed Authoring and Versioning (WebDAV)"
+ *
+ *
+ */
+@XmlRootElement(name = "no-external-entities")
+@XmlType(factoryMethod = "createSingleton")
+public final class NoExternalEntities {
+
+ /**
+ * Singleton instance, providing improved performance and the ability to
+ * compare by same instance.
+ *
+ */
+ public static final NoExternalEntities NO_EXTERNAL_ENTITIES
+ = new NoExternalEntities();
+
+ private NoExternalEntities() {
+ // For unmarshalling only.
+ }
+
+ private static NoExternalEntities createSingleton() {
+ return NO_EXTERNAL_ENTITIES;
+ }
+
+ @Override
+ public final boolean equals(final Object object) {
+ return object instanceof NoExternalEntities;
+ }
+
+ @Override
+ public final int hashCode() {
+ return 1;
+ }
+
+ @Override
+ public final String toString() {
+ return getClass().getName();
+ }
+
+}
diff --git a/ccm-core/src/main/java/org/libreccm/webdav/conditions/PreservedLiveProperties.java b/ccm-core/src/main/java/org/libreccm/webdav/conditions/PreservedLiveProperties.java
new file mode 100644
index 000000000..2f405ca77
--- /dev/null
+++ b/ccm-core/src/main/java/org/libreccm/webdav/conditions/PreservedLiveProperties.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2018 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+package org.libreccm.webdav.conditions;
+
+import javax.xml.bind.annotation.XmlRootElement;
+import javax.xml.bind.annotation.XmlType;
+
+/**
+ *
+ * WebDAV preserved-live-propertes Postcondition XML Element.
+ *
+ * This is a singleton. All instances are absolutely identical, hence can be
+ * compared using {@code ==} and share one unique hash code. Use
+ * {@link #PRESERVED_LIVE_PROPERTIES} always.
+ *
+ *
+ * The class is based on a class/interface from java.net WebDAV Project:
+ *
+ * https://gitlab.com/headcrashing/webdav-jaxrs/blob/master/src/main/java/net/java/dev/webdav/jaxrs/Headers.java
+ *
+ *
+ * @author Markus KARG (mkarg@java.net)
+ * @author Jens Pelzetter
+ *
+ * @see
+ * Chapter
+ * 16 "Precondition/Postcondition XML Elements" of RFC 4918 "HTTP Extensions for
+ * Web Distributed Authoring and Versioning (WebDAV)"
+ *
+ *
+ */
+@XmlRootElement(name = "preserved-live-properties")
+@XmlType(factoryMethod = "createSingleton")
+public final class PreservedLiveProperties {
+
+ /**
+ * Singleton instance, providing improved performance and the ability to
+ * compare by same instance.
+ *
+ */
+ public static final PreservedLiveProperties PRESERVED_LIVE_PROPERTIES
+ = new PreservedLiveProperties();
+
+ private PreservedLiveProperties() {
+ // For unmarshalling only.
+ }
+
+ private static PreservedLiveProperties createSingleton() {
+ return PRESERVED_LIVE_PROPERTIES;
+ }
+
+ @Override
+ public final boolean equals(final Object object) {
+ return object instanceof PreservedLiveProperties;
+ }
+
+ @Override
+ public final int hashCode() {
+ return 1;
+ }
+
+ @Override
+ public final String toString() {
+ return getClass().getName();
+ }
+
+}
diff --git a/ccm-core/src/main/java/org/libreccm/webdav/conditions/PropFindFiniteDepth.java b/ccm-core/src/main/java/org/libreccm/webdav/conditions/PropFindFiniteDepth.java
new file mode 100644
index 000000000..31b91579a
--- /dev/null
+++ b/ccm-core/src/main/java/org/libreccm/webdav/conditions/PropFindFiniteDepth.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2018 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+package org.libreccm.webdav.conditions;
+
+import javax.xml.bind.annotation.XmlRootElement;
+import javax.xml.bind.annotation.XmlType;
+
+/**
+ * WebDAV propfind-finite-depth Precondition XML Element.
+ *
+ * This is a singleton. All instances are absolutely identical, hence can be
+ * compared using {@code ==} and share one unique hash code. Use
+ * {@link #PROPFIND_FINITE_DEPTH} always.
+ *
+ * The class is based on a class/interface from java.net WebDAV Project:
+ *
+ * https://gitlab.com/headcrashing/webdav-jaxrs/blob/master/src/main/java/net/java/dev/webdav/jaxrs/Headers.java
+ *
+ *
+ * @author Markus KARG (mkarg@java.net)
+ * @author Jens Pelzetter
+ *
+ *
+ * @author Jens Pelzetter
+ *
+ * @see
+ * Chapter
+ * 16 "Precondition/Postcondition XML Elements" of RFC 4918 "HTTP Extensions for
+ * Web Distributed Authoring and Versioning (WebDAV)"
+ *
+ */
+@XmlRootElement(name = "propfind-finite-depth")
+@XmlType(factoryMethod = "createSingleton")
+public final class PropFindFiniteDepth {
+
+ /**
+ * Singleton instance, providing improved performance and the ability to
+ * compare by same instance.
+ *
+ */
+ public static final PropFindFiniteDepth PROPFIND_FINITE_DEPTH
+ = new PropFindFiniteDepth();
+
+ private PropFindFiniteDepth() {
+ // For unmarshalling only.
+ }
+
+ private static PropFindFiniteDepth createInstance() {
+ return PROPFIND_FINITE_DEPTH;
+ }
+
+ @Override
+ public final boolean equals(final Object object) {
+ return object instanceof PropFindFiniteDepth;
+ }
+
+ @Override
+ public final int hashCode() {
+ return 1;
+ }
+
+ @Override
+ public final String toString() {
+ return getClass().getName();
+ }
+
+}
diff --git a/ccm-core/src/main/java/org/libreccm/webdav/conditions/package-info.java b/ccm-core/src/main/java/org/libreccm/webdav/conditions/package-info.java
new file mode 100644
index 000000000..8a8824e12
--- /dev/null
+++ b/ccm-core/src/main/java/org/libreccm/webdav/conditions/package-info.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2018 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+/**
+ * This package contains WebDAV Precondition / Postcondition XML Elements.
+ *
+ * The classes in this package are based on a class/interface from java.net WebDAV Project:
+ *
+ * https://gitlab.com/headcrashing/webdav-jaxrs/blob/master/src/main/java/net/java/dev/webdav/jaxrs/Headers.java
+ *
+ * @author Markus KARG (mkarg@java.net)
+ * @author Jens Pelzetter
+ *
+ * @see Chapter 16 "Precondition/Postcondition XML Elements" of RFC 4918 "HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)"
+ *
+ */
+@XmlSchema(namespace = "DAV:",
+ xmlns = @XmlNs(prefix = "D",
+ namespaceURI = "DAV:"),
+ elementFormDefault = QUALIFIED)
+package org.libreccm.webdav.conditions;
+
+import javax.xml.bind.annotation.XmlNs;
+import javax.xml.bind.annotation.XmlSchema;
+
+import static javax.xml.bind.annotation.XmlNsForm.*;
+