JarFacade.c revision 0
0N/A/*
0N/A * Copyright 2004-2005 Sun Microsystems, Inc. All Rights Reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation. Sun designates this
0N/A * particular file as subject to the "Classpath" exception as provided
0N/A * by Sun in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
0N/A * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
0N/A * CA 95054 USA or visit www.sun.com if you need additional information or
0N/A * have any questions.
0N/A */
0N/A
0N/A#include <string.h>
0N/A#include <stdlib.h>
0N/A
0N/A#include "jni.h"
0N/A#include "manifest_info.h"
0N/A#include "JarFacade.h"
0N/A
0N/Atypedef struct {
0N/A jarAttribute* head;
0N/A jarAttribute* tail;
0N/A} iterationContext;
0N/A
0N/Astatic void
0N/AdoAttribute(const char* name, const char* value, void* user_data) {
0N/A iterationContext* context = (iterationContext*) user_data;
0N/A
0N/A jarAttribute* attribute = (jarAttribute*)malloc(sizeof(jarAttribute));
0N/A if (attribute != NULL) {
0N/A attribute->name = strdup(name);
0N/A if (attribute->name == NULL) {
0N/A free(attribute);
0N/A } else {
0N/A attribute->value = strdup(value);
0N/A if (attribute->value == NULL) {
0N/A free(attribute->name);
0N/A free(attribute);
0N/A } else {
0N/A attribute->next = NULL;
0N/A if (context->head == NULL) {
0N/A context->head = attribute;
0N/A } else {
0N/A context->tail->next = attribute;
0N/A }
0N/A context->tail = attribute;
0N/A }
0N/A }
0N/A
0N/A }
0N/A}
0N/A
0N/A/*
0N/A * Return a list of attributes from the main section of the given JAR
0N/A * file. Returns NULL if there is an error or there aren't any attributes.
0N/A */
0N/AjarAttribute*
0N/AreadAttributes(const char* jarfile)
0N/A{
0N/A int rc;
0N/A iterationContext context = { NULL, NULL };
0N/A
0N/A rc = JLI_ManifestIterate(jarfile, doAttribute, (void*)&context);
0N/A
0N/A if (rc == 0) {
0N/A return context.head;
0N/A } else {
0N/A freeAttributes(context.head);
0N/A return NULL;
0N/A }
0N/A}
0N/A
0N/A
0N/A/*
0N/A * Free a list of attributes
0N/A */
0N/Avoid
0N/AfreeAttributes(jarAttribute* head) {
0N/A while (head != NULL) {
0N/A jarAttribute* next = (jarAttribute*)head->next;
0N/A free(head->name);
0N/A free(head->value);
0N/A free(head);
0N/A head = next;
0N/A }
0N/A}
0N/A
0N/A/*
0N/A * Get the value of an attribute in an attribute list. Returns NULL
0N/A * if attribute not found.
0N/A */
0N/Achar*
0N/AgetAttribute(const jarAttribute* attributes, const char* name) {
0N/A while (attributes != NULL) {
0N/A if (strcasecmp(attributes->name, name) == 0) {
0N/A return attributes->value;
0N/A }
0N/A attributes = (jarAttribute*)attributes->next;
0N/A }
0N/A return NULL;
0N/A}