diff options
Diffstat (limited to 'sax')
| -rw-r--r-- | sax/java/android/sax/BadXmlException.java | 34 | ||||
| -rw-r--r-- | sax/java/android/sax/Children.java | 97 | ||||
| -rw-r--r-- | sax/java/android/sax/Element.java | 204 | ||||
| -rw-r--r-- | sax/java/android/sax/ElementListener.java | 23 | ||||
| -rw-r--r-- | sax/java/android/sax/EndElementListener.java | 28 | ||||
| -rw-r--r-- | sax/java/android/sax/EndTextElementListener.java | 30 | ||||
| -rw-r--r-- | sax/java/android/sax/RootElement.java | 207 | ||||
| -rw-r--r-- | sax/java/android/sax/StartElementListener.java | 32 | ||||
| -rw-r--r-- | sax/java/android/sax/TextElementListener.java | 23 | ||||
| -rw-r--r-- | sax/java/android/sax/package.html | 5 |
10 files changed, 0 insertions, 683 deletions
diff --git a/sax/java/android/sax/BadXmlException.java b/sax/java/android/sax/BadXmlException.java deleted file mode 100644 index dd324fd..0000000 --- a/sax/java/android/sax/BadXmlException.java +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed 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 - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package android.sax; - -import org.xml.sax.SAXParseException; -import org.xml.sax.Locator; - -/** - * An XML parse exception which includes the line number in the message. - */ -class BadXmlException extends SAXParseException { - - public BadXmlException(String message, Locator locator) { - super(message, locator); - } - - public String getMessage() { - return "Line " + getLineNumber() + ": " + super.getMessage(); - } -} diff --git a/sax/java/android/sax/Children.java b/sax/java/android/sax/Children.java deleted file mode 100644 index 7aa8dcf..0000000 --- a/sax/java/android/sax/Children.java +++ /dev/null @@ -1,97 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed 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 - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package android.sax; - -/** - * Contains element children. Using this class instead of HashMap results in - * measurably better performance. - */ -class Children { - - Child[] children = new Child[16]; - - /** - * Looks up a child by name and creates a new one if necessary. - */ - Element getOrCreate(Element parent, String uri, String localName) { - int hash = uri.hashCode() * 31 + localName.hashCode(); - int index = hash & 15; - - Child current = children[index]; - if (current == null) { - // We have no children in this bucket yet. - current = new Child(parent, uri, localName, parent.depth + 1, hash); - children[index] = current; - return current; - } else { - // Search this bucket. - Child previous; - do { - if (current.hash == hash - && current.uri.compareTo(uri) == 0 - && current.localName.compareTo(localName) == 0) { - // We already have a child with that name. - return current; - } - - previous = current; - current = current.next; - } while (current != null); - - // Add a new child to the bucket. - current = new Child(parent, uri, localName, parent.depth + 1, hash); - previous.next = current; - return current; - } - } - - /** - * Looks up a child by name. - */ - Element get(String uri, String localName) { - int hash = uri.hashCode() * 31 + localName.hashCode(); - int index = hash & 15; - - Child current = children[index]; - if (current == null) { - return null; - } else { - do { - if (current.hash == hash - && current.uri.compareTo(uri) == 0 - && current.localName.compareTo(localName) == 0) { - return current; - } - current = current.next; - } while (current != null); - - return null; - } - } - - static class Child extends Element { - - final int hash; - Child next; - - Child(Element parent, String uri, String localName, int depth, - int hash) { - super(parent, uri, localName, depth); - this.hash = hash; - } - } -} diff --git a/sax/java/android/sax/Element.java b/sax/java/android/sax/Element.java deleted file mode 100644 index 8c8334c..0000000 --- a/sax/java/android/sax/Element.java +++ /dev/null @@ -1,204 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed 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 - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package android.sax; - -import org.xml.sax.Locator; -import org.xml.sax.SAXParseException; - -import java.util.ArrayList; - -import android.util.Log; - -/** - * An XML element. Provides access to child elements and hooks to listen - * for events related to this element. - * - * @see RootElement - */ -public class Element { - - final String uri; - final String localName; - final int depth; - final Element parent; - - Children children; - ArrayList<Element> requiredChilden; - - boolean visited; - - StartElementListener startElementListener; - EndElementListener endElementListener; - EndTextElementListener endTextElementListener; - - Element(Element parent, String uri, String localName, int depth) { - this.parent = parent; - this.uri = uri; - this.localName = localName; - this.depth = depth; - } - - /** - * Gets the child element with the given name. Uses an empty string as the - * namespace. - */ - public Element getChild(String localName) { - return getChild("", localName); - } - - /** - * Gets the child element with the given name. - */ - public Element getChild(String uri, String localName) { - if (endTextElementListener != null) { - throw new IllegalStateException("This element already has an end" - + " text element listener. It cannot have children."); - } - - if (children == null) { - children = new Children(); - } - - return children.getOrCreate(this, uri, localName); - } - - /** - * Gets the child element with the given name. Uses an empty string as the - * namespace. We will throw a {@link org.xml.sax.SAXException} at parsing - * time if the specified child is missing. This helps you ensure that your - * listeners are called. - */ - public Element requireChild(String localName) { - return requireChild("", localName); - } - - /** - * Gets the child element with the given name. We will throw a - * {@link org.xml.sax.SAXException} at parsing time if the specified child - * is missing. This helps you ensure that your listeners are called. - */ - public Element requireChild(String uri, String localName) { - Element child = getChild(uri, localName); - - if (requiredChilden == null) { - requiredChilden = new ArrayList<Element>(); - requiredChilden.add(child); - } else { - if (!requiredChilden.contains(child)) { - requiredChilden.add(child); - } - } - - return child; - } - - /** - * Sets start and end element listeners at the same time. - */ - public void setElementListener(ElementListener elementListener) { - setStartElementListener(elementListener); - setEndElementListener(elementListener); - } - - /** - * Sets start and end text element listeners at the same time. - */ - public void setTextElementListener(TextElementListener elementListener) { - setStartElementListener(elementListener); - setEndTextElementListener(elementListener); - } - - /** - * Sets a listener for the start of this element. - */ - public void setStartElementListener( - StartElementListener startElementListener) { - if (this.startElementListener != null) { - throw new IllegalStateException( - "Start element listener has already been set."); - } - this.startElementListener = startElementListener; - } - - /** - * Sets a listener for the end of this element. - */ - public void setEndElementListener(EndElementListener endElementListener) { - if (this.endElementListener != null) { - throw new IllegalStateException( - "End element listener has already been set."); - } - this.endElementListener = endElementListener; - } - - /** - * Sets a listener for the end of this text element. - */ - public void setEndTextElementListener( - EndTextElementListener endTextElementListener) { - if (this.endTextElementListener != null) { - throw new IllegalStateException( - "End text element listener has already been set."); - } - - if (children != null) { - throw new IllegalStateException("This element already has children." - + " It cannot have an end text element listener."); - } - - this.endTextElementListener = endTextElementListener; - } - - @Override - public String toString() { - return toString(uri, localName); - } - - static String toString(String uri, String localName) { - return "'" + (uri.equals("") ? localName : uri + ":" + localName) + "'"; - } - - /** - * Clears flags on required children. - */ - void resetRequiredChildren() { - ArrayList<Element> requiredChildren = this.requiredChilden; - if (requiredChildren != null) { - for (int i = requiredChildren.size() - 1; i >= 0; i--) { - requiredChildren.get(i).visited = false; - } - } - } - - /** - * Throws an exception if a required child was not present. - */ - void checkRequiredChildren(Locator locator) throws SAXParseException { - ArrayList<Element> requiredChildren = this.requiredChilden; - if (requiredChildren != null) { - for (int i = requiredChildren.size() - 1; i >= 0; i--) { - Element child = requiredChildren.get(i); - if (!child.visited) { - throw new BadXmlException( - "Element named " + this + " is missing required" - + " child element named " - + child + ".", locator); - } - } - } - } -} diff --git a/sax/java/android/sax/ElementListener.java b/sax/java/android/sax/ElementListener.java deleted file mode 100644 index 5b3f5be..0000000 --- a/sax/java/android/sax/ElementListener.java +++ /dev/null @@ -1,23 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed 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 - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package android.sax; - -/** - * Listens for the beginning and ending of elements. - */ -public interface ElementListener extends StartElementListener, - EndElementListener {} diff --git a/sax/java/android/sax/EndElementListener.java b/sax/java/android/sax/EndElementListener.java deleted file mode 100644 index b00a006..0000000 --- a/sax/java/android/sax/EndElementListener.java +++ /dev/null @@ -1,28 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed 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 - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package android.sax; - -/** - * Listens for the end of elements. - */ -public interface EndElementListener { - - /** - * Invoked at the end of an element. - */ - void end(); -} diff --git a/sax/java/android/sax/EndTextElementListener.java b/sax/java/android/sax/EndTextElementListener.java deleted file mode 100644 index 6d87d0e..0000000 --- a/sax/java/android/sax/EndTextElementListener.java +++ /dev/null @@ -1,30 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed 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 - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package android.sax; - -/** - * Listens for the end of text elements. - */ -public interface EndTextElementListener { - - /** - * Invoked at the end of a text element with the body of the element. - * - * @param body of the element - */ - void end(String body); -} diff --git a/sax/java/android/sax/RootElement.java b/sax/java/android/sax/RootElement.java deleted file mode 100644 index 4fd6f6b..0000000 --- a/sax/java/android/sax/RootElement.java +++ /dev/null @@ -1,207 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed 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 - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package android.sax; - -import org.xml.sax.helpers.DefaultHandler; -import org.xml.sax.Attributes; -import org.xml.sax.SAXException; -import org.xml.sax.ContentHandler; -import org.xml.sax.Locator; - -/** - * The root XML element. The entry point for this API. Not safe for concurrent - * use. - * - * <p>For example, passing this XML: - * - * <pre> - * <feed xmlns='http://www.w3.org/2005/Atom'> - * <entry> - * <id>bob</id> - * </entry> - * </feed> - * </pre> - * - * to this code: - * - * <pre> - * static final String ATOM_NAMESPACE = "http://www.w3.org/2005/Atom"; - * - * ... - * - * RootElement root = new RootElement(ATOM_NAMESPACE, "feed"); - * Element entry = root.getChild(ATOM_NAMESPACE, "entry"); - * entry.getChild(ATOM_NAMESPACE, "id").setEndTextElementListener( - * new EndTextElementListener() { - * public void end(String body) { - * System.out.println("Entry ID: " + body); - * } - * }); - * - * XMLReader reader = ...; - * reader.setContentHandler(root.getContentHandler()); - * reader.parse(...); - * </pre> - * - * would output: - * - * <pre> - * Entry ID: bob - * </pre> - */ -public class RootElement extends Element { - - final Handler handler = new Handler(); - - /** - * Constructs a new root element with the given name. - * - * @param uri the namespace - * @param localName the local name - */ - public RootElement(String uri, String localName) { - super(null, uri, localName, 0); - } - - /** - * Constructs a new root element with the given name. Uses an empty string - * as the namespace. - * - * @param localName the local name - */ - public RootElement(String localName) { - this("", localName); - } - - /** - * Gets the SAX {@code ContentHandler}. Pass this to your SAX parser. - */ - public ContentHandler getContentHandler() { - return this.handler; - } - - class Handler extends DefaultHandler { - - Locator locator; - int depth = -1; - Element current = null; - StringBuilder bodyBuilder = null; - - @Override - public void setDocumentLocator(Locator locator) { - this.locator = locator; - } - - @Override - public void startElement(String uri, String localName, String qName, - Attributes attributes) throws SAXException { - int depth = ++this.depth; - - if (depth == 0) { - // This is the root element. - startRoot(uri, localName, attributes); - return; - } - - // Prohibit mixed text and elements. - if (bodyBuilder != null) { - throw new BadXmlException("Encountered mixed content" - + " within text element named " + current + ".", - locator); - } - - // If we're one level below the current element. - if (depth == current.depth + 1) { - // Look for a child to push onto the stack. - Children children = current.children; - if (children != null) { - Element child = children.get(uri, localName); - if (child != null) { - start(child, attributes); - } - } - } - } - - void startRoot(String uri, String localName, Attributes attributes) - throws SAXException { - Element root = RootElement.this; - if (root.uri.compareTo(uri) != 0 - || root.localName.compareTo(localName) != 0) { - throw new BadXmlException("Root element name does" - + " not match. Expected: " + root + ", Got: " - + Element.toString(uri, localName), locator); - } - - start(root, attributes); - } - - void start(Element e, Attributes attributes) { - // Push element onto the stack. - this.current = e; - - if (e.startElementListener != null) { - e.startElementListener.start(attributes); - } - - if (e.endTextElementListener != null) { - this.bodyBuilder = new StringBuilder(); - } - - e.resetRequiredChildren(); - e.visited = true; - } - - @Override - public void characters(char[] buffer, int start, int length) - throws SAXException { - if (bodyBuilder != null) { - bodyBuilder.append(buffer, start, length); - } - } - - @Override - public void endElement(String uri, String localName, String qName) - throws SAXException { - Element current = this.current; - - // If we've ended the current element... - if (depth == current.depth) { - current.checkRequiredChildren(locator); - - // Invoke end element listener. - if (current.endElementListener != null) { - current.endElementListener.end(); - } - - // Invoke end text element listener. - if (bodyBuilder != null) { - String body = bodyBuilder.toString(); - bodyBuilder = null; - - // We can assume that this listener is present. - current.endTextElementListener.end(body); - } - - // Pop element off the stack. - this.current = current.parent; - } - - depth--; - } - } -} diff --git a/sax/java/android/sax/StartElementListener.java b/sax/java/android/sax/StartElementListener.java deleted file mode 100644 index d935fed..0000000 --- a/sax/java/android/sax/StartElementListener.java +++ /dev/null @@ -1,32 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed 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 - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package android.sax; - -import org.xml.sax.Attributes; - -/** - * Listens for the beginning of elements. - */ -public interface StartElementListener { - - /** - * Invoked at the beginning of an element. - * - * @param attributes from the element - */ - void start(Attributes attributes); -} diff --git a/sax/java/android/sax/TextElementListener.java b/sax/java/android/sax/TextElementListener.java deleted file mode 100644 index 6f3c31d..0000000 --- a/sax/java/android/sax/TextElementListener.java +++ /dev/null @@ -1,23 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed 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 - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package android.sax; - -/** - * Listens for the beginning and ending of text elements. - */ -public interface TextElementListener extends StartElementListener, - EndTextElementListener {} diff --git a/sax/java/android/sax/package.html b/sax/java/android/sax/package.html deleted file mode 100644 index 93747e9..0000000 --- a/sax/java/android/sax/package.html +++ /dev/null @@ -1,5 +0,0 @@ -<html> -<body> -A framework that makes it easy to write efficient and robust SAX handlers. -</body> -</html> |