9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package jdk.nashorn.internal.runtime;
27
28 import java.security.CodeSource;
29
30 /**
31 * Responsible for loading script generated classes.
32 *
33 */
34 final class ScriptLoader extends NashornLoader {
35 private static final String NASHORN_PKG_PREFIX = "jdk.nashorn.internal.";
36
37 private final Context context;
38
39 /*package-private*/ Context getContext() {
40 return context;
41 }
42
43 /**
44 * Constructor.
45 */
46 ScriptLoader(final ClassLoader parent, final Context context) {
47 super(parent);
48 this.context = context;
52 protected Class<?> loadClass(final String name, final boolean resolve) throws ClassNotFoundException {
53 checkPackageAccess(name);
54 if (name.startsWith(NASHORN_PKG_PREFIX)) {
55 return context.getSharedLoader().loadClass(name);
56 }
57 return super.loadClass(name, resolve);
58 }
59
60 // package-private and private stuff below this point
61
62 /**
63 * Install a class for use by the Nashorn runtime
64 *
65 * @param name Binary name of class.
66 * @param data Class data bytes.
67 * @param cs CodeSource code source of the class bytes.
68 *
69 * @return Installed class.
70 */
71 synchronized Class<?> installClass(final String name, final byte[] data, final CodeSource cs) {
72 // null check
73 cs.getClass();
74 return defineClass(name, data, 0, data.length, cs);
75 }
76 }
|
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package jdk.nashorn.internal.runtime;
27
28 import java.security.CodeSource;
29 import java.util.Objects;
30
31 /**
32 * Responsible for loading script generated classes.
33 *
34 */
35 final class ScriptLoader extends NashornLoader {
36 private static final String NASHORN_PKG_PREFIX = "jdk.nashorn.internal.";
37
38 private final Context context;
39
40 /*package-private*/ Context getContext() {
41 return context;
42 }
43
44 /**
45 * Constructor.
46 */
47 ScriptLoader(final ClassLoader parent, final Context context) {
48 super(parent);
49 this.context = context;
53 protected Class<?> loadClass(final String name, final boolean resolve) throws ClassNotFoundException {
54 checkPackageAccess(name);
55 if (name.startsWith(NASHORN_PKG_PREFIX)) {
56 return context.getSharedLoader().loadClass(name);
57 }
58 return super.loadClass(name, resolve);
59 }
60
61 // package-private and private stuff below this point
62
63 /**
64 * Install a class for use by the Nashorn runtime
65 *
66 * @param name Binary name of class.
67 * @param data Class data bytes.
68 * @param cs CodeSource code source of the class bytes.
69 *
70 * @return Installed class.
71 */
72 synchronized Class<?> installClass(final String name, final byte[] data, final CodeSource cs) {
73 Objects.requireNonNull(cs);
74 return defineClass(name, data, 0, data.length, cs);
75 }
76 }
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